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NAS1831 Female-Female Standoffs

Still widely used in computers and electronic equipment to separate circuit boards for airflow and allow clearance for installed components. As these come in a wide array of sizes and threads, nearly every industry has used them as thread adapters, spacers, connectors, coupling nuts and other unique applications.

3 (3/16") NAS1831 Female-Female Standoffs

A (#2-56)

Part Number Outside Diameter Material Female Thread Length Details
NAS1831BT3A10 3 (3/16") Brass (Tin) A (#2-56) 5/32" (0.156")
  • Outside Diameter: 3 (3/16")
  • Material: Brass (Tin)
  • Female Thread: A (#2-56)
  • Length: 5/32" (0.156")
NAS1831BT3A11 3 (3/16") Brass (Tin) A (#2-56) 11/64" (0.171")
  • Outside Diameter: 3 (3/16")
  • Material: Brass (Tin)
  • Female Thread: A (#2-56)
  • Length: 11/64" (0.171")
NAS1831BT3A03 3 (3/16") Brass (Tin) A (#2-56) 3/16" (0.187")
  • Outside Diameter: 3 (3/16")
  • Material: Brass (Tin)
  • Female Thread: A (#2-56)
  • Length: 3/16" (0.187")
NAS1831BT3A12 3 (3/16") Brass (Tin) A (#2-56) 3/16" (0.187")
  • Outside Diameter: 3 (3/16")
  • Material: Brass (Tin)
  • Female Thread: A (#2-56)
  • Length: 3/16" (0.187")
NAS1831BT3A13 3 (3/16") Brass (Tin) A (#2-56) 13/64" (0.203")
  • Outside Diameter: 3 (3/16")
  • Material: Brass (Tin)
  • Female Thread: A (#2-56)
  • Length: 13/64" (0.203")
NAS1831BT3A14 3 (3/16") Brass (Tin) A (#2-56) 7/32" (0.218")
  • Outside Diameter: 3 (3/16")
  • Material: Brass (Tin)
  • Female Thread: A (#2-56)
  • Length: 7/32" (0.218")
NAS1831BT3A15 3 (3/16") Brass (Tin) A (#2-56) 15/64" (0.234")
  • Outside Diameter: 3 (3/16")
  • Material: Brass (Tin)
  • Female Thread: A (#2-56)
  • Length: 15/64" (0.234")
NAS1831BT3A04 3 (3/16") Brass (Tin) A (#2-56) 1/4" (0.25")
  • Outside Diameter: 3 (3/16")
  • Material: Brass (Tin)
  • Female Thread: A (#2-56)
  • Length: 1/4" (0.25")
NAS1831BT3A16 3 (3/16") Brass (Tin) A (#2-56) 1/4" (0.25")
  • Outside Diameter: 3 (3/16")
  • Material: Brass (Tin)
  • Female Thread: A (#2-56)
  • Length: 1/4" (0.25")
NAS1831BT3A17 3 (3/16") Brass (Tin) A (#2-56) 17/64" (0.265")
  • Outside Diameter: 3 (3/16")
  • Material: Brass (Tin)
  • Female Thread: A (#2-56)
  • Length: 17/64" (0.265")

4 (1/4") NAS1831 Female-Female Standoffs

A (#2-56)

Part Number Outside Diameter Material Female Thread Length Details
NAS1831BT4A10 4 (1/4") Brass (Tin) A (#2-56) 5/32" (0.156")
  • Outside Diameter: 4 (1/4")
  • Material: Brass (Tin)
  • Female Thread: A (#2-56)
  • Length: 5/32" (0.156")
NAS1831BT4A11 4 (1/4") Brass (Tin) A (#2-56) 11/64" (0.171")
  • Outside Diameter: 4 (1/4")
  • Material: Brass (Tin)
  • Female Thread: A (#2-56)
  • Length: 11/64" (0.171")
NAS1831BT4A03 4 (1/4") Brass (Tin) A (#2-56) 3/16" (0.187")
  • Outside Diameter: 4 (1/4")
  • Material: Brass (Tin)
  • Female Thread: A (#2-56)
  • Length: 3/16" (0.187")
NAS1831BT4A12 4 (1/4") Brass (Tin) A (#2-56) 3/16" (0.187")
  • Outside Diameter: 4 (1/4")
  • Material: Brass (Tin)
  • Female Thread: A (#2-56)
  • Length: 3/16" (0.187")
NAS1831BT4A13 4 (1/4") Brass (Tin) A (#2-56) 13/64" (0.203")
  • Outside Diameter: 4 (1/4")
  • Material: Brass (Tin)
  • Female Thread: A (#2-56)
  • Length: 13/64" (0.203")
NAS1831BT4A14 4 (1/4") Brass (Tin) A (#2-56) 7/32" (0.218")
  • Outside Diameter: 4 (1/4")
  • Material: Brass (Tin)
  • Female Thread: A (#2-56)
  • Length: 7/32" (0.218")
NAS1831BT4A15 4 (1/4") Brass (Tin) A (#2-56) 15/64" (0.234")
  • Outside Diameter: 4 (1/4")
  • Material: Brass (Tin)
  • Female Thread: A (#2-56)
  • Length: 15/64" (0.234")
NAS1831BT4A04 4 (1/4") Brass (Tin) A (#2-56) 1/4" (0.25")
  • Outside Diameter: 4 (1/4")
  • Material: Brass (Tin)
  • Female Thread: A (#2-56)
  • Length: 1/4" (0.25")
NAS1831BT4A16 4 (1/4") Brass (Tin) A (#2-56) 1/4" (0.25")
  • Outside Diameter: 4 (1/4")
  • Material: Brass (Tin)
  • Female Thread: A (#2-56)
  • Length: 1/4" (0.25")
NAS1831BT4A17 4 (1/4") Brass (Tin) A (#2-56) 17/64" (0.265")
  • Outside Diameter: 4 (1/4")
  • Material: Brass (Tin)
  • Female Thread: A (#2-56)
  • Length: 17/64" (0.265")

C (#4-40)

Part Number Outside Diameter Material Female Thread Length Details
NAS1831BT4C10 4 (1/4") Brass (Tin) C (#4-40) 5/32" (0.156")
  • Outside Diameter: 4 (1/4")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 5/32" (0.156")
NAS1831BT4C11 4 (1/4") Brass (Tin) C (#4-40) 11/64" (0.171")
  • Outside Diameter: 4 (1/4")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 11/64" (0.171")
NAS1831BT4C03 4 (1/4") Brass (Tin) C (#4-40) 3/16" (0.187")
  • Outside Diameter: 4 (1/4")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 3/16" (0.187")
NAS1831BT4C12 4 (1/4") Brass (Tin) C (#4-40) 3/16" (0.187")
  • Outside Diameter: 4 (1/4")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 3/16" (0.187")
NAS1831BT4C13 4 (1/4") Brass (Tin) C (#4-40) 13/64" (0.203")
  • Outside Diameter: 4 (1/4")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 13/64" (0.203")
NAS1831BT4C14 4 (1/4") Brass (Tin) C (#4-40) 7/32" (0.218")
  • Outside Diameter: 4 (1/4")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 7/32" (0.218")
NAS1831BT4C15 4 (1/4") Brass (Tin) C (#4-40) 15/64" (0.234")
  • Outside Diameter: 4 (1/4")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 15/64" (0.234")
NAS1831BT4C04 4 (1/4") Brass (Tin) C (#4-40) 1/4" (0.25")
  • Outside Diameter: 4 (1/4")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 1/4" (0.25")
NAS1831BT4C16 4 (1/4") Brass (Tin) C (#4-40) 1/4" (0.25")
  • Outside Diameter: 4 (1/4")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 1/4" (0.25")
NAS1831BT4C17 4 (1/4") Brass (Tin) C (#4-40) 17/64" (0.265")
  • Outside Diameter: 4 (1/4")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 17/64" (0.265")

5 (5/16") NAS1831 Female-Female Standoffs

C (#4-40)

Part Number Outside Diameter Material Female Thread Length Details
NAS1831BT5C10 5 (5/16") Brass (Tin) C (#4-40) 5/32" (0.156")
  • Outside Diameter: 5 (5/16")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 5/32" (0.156")
NAS1831BT5C11 5 (5/16") Brass (Tin) C (#4-40) 11/64" (0.171")
  • Outside Diameter: 5 (5/16")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 11/64" (0.171")
NAS1831BT5C03 5 (5/16") Brass (Tin) C (#4-40) 3/16" (0.187")
  • Outside Diameter: 5 (5/16")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 3/16" (0.187")
NAS1831BT5C12 5 (5/16") Brass (Tin) C (#4-40) 3/16" (0.187")
  • Outside Diameter: 5 (5/16")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 3/16" (0.187")
NAS1831BT5C13 5 (5/16") Brass (Tin) C (#4-40) 13/64" (0.203")
  • Outside Diameter: 5 (5/16")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 13/64" (0.203")
NAS1831BT5C14 5 (5/16") Brass (Tin) C (#4-40) 7/32" (0.218")
  • Outside Diameter: 5 (5/16")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 7/32" (0.218")
NAS1831BT5C15 5 (5/16") Brass (Tin) C (#4-40) 15/64" (0.234")
  • Outside Diameter: 5 (5/16")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 15/64" (0.234")
NAS1831BT5C04 5 (5/16") Brass (Tin) C (#4-40) 1/4" (0.25")
  • Outside Diameter: 5 (5/16")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 1/4" (0.25")
NAS1831BT5C16 5 (5/16") Brass (Tin) C (#4-40) 1/4" (0.25")
  • Outside Diameter: 5 (5/16")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 1/4" (0.25")
NAS1831BT5C17 5 (5/16") Brass (Tin) C (#4-40) 17/64" (0.265")
  • Outside Diameter: 5 (5/16")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 17/64" (0.265")

6 (3/8") NAS1831 Female-Female Standoffs

C (#4-40)

Part Number Outside Diameter Material Female Thread Length Details
NAS1831BT6C10 6 (3/8") Brass (Tin) C (#4-40) 5/32" (0.156")
  • Outside Diameter: 6 (3/8")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 5/32" (0.156")
NAS1831BT6C11 6 (3/8") Brass (Tin) C (#4-40) 11/64" (0.171")
  • Outside Diameter: 6 (3/8")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 11/64" (0.171")
NAS1831BT6C03 6 (3/8") Brass (Tin) C (#4-40) 3/16" (0.187")
  • Outside Diameter: 6 (3/8")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 3/16" (0.187")
NAS1831BT6C12 6 (3/8") Brass (Tin) C (#4-40) 3/16" (0.187")
  • Outside Diameter: 6 (3/8")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 3/16" (0.187")
NAS1831BT6C13 6 (3/8") Brass (Tin) C (#4-40) 13/64" (0.203")
  • Outside Diameter: 6 (3/8")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 13/64" (0.203")
NAS1831BT6C14 6 (3/8") Brass (Tin) C (#4-40) 7/32" (0.218")
  • Outside Diameter: 6 (3/8")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 7/32" (0.218")
NAS1831BT6C15 6 (3/8") Brass (Tin) C (#4-40) 15/64" (0.234")
  • Outside Diameter: 6 (3/8")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 15/64" (0.234")
NAS1831BT6C04 6 (3/8") Brass (Tin) C (#4-40) 1/4" (0.25")
  • Outside Diameter: 6 (3/8")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 1/4" (0.25")
NAS1831BT6C16 6 (3/8") Brass (Tin) C (#4-40) 1/4" (0.25")
  • Outside Diameter: 6 (3/8")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 1/4" (0.25")
NAS1831BT6C17 6 (3/8") Brass (Tin) C (#4-40) 17/64" (0.265")
  • Outside Diameter: 6 (3/8")
  • Material: Brass (Tin)
  • Female Thread: C (#4-40)
  • Length: 17/64" (0.265")

E (#6-32)

Part Number Outside Diameter Material Female Thread Length Details
NAS1831BT6E10 6 (3/8") Brass (Tin) E (#6-32) 5/32" (0.156")
  • Outside Diameter: 6 (3/8")
  • Material: Brass (Tin)
  • Female Thread: E (#6-32)
  • Length: 5/32" (0.156")
NAS1831BT6E11 6 (3/8") Brass (Tin) E (#6-32) 11/64" (0.171")
  • Outside Diameter: 6 (3/8")
  • Material: Brass (Tin)
  • Female Thread: E (#6-32)
  • Length: 11/64" (0.171")
NAS1831BT6E03 6 (3/8") Brass (Tin) E (#6-32) 3/16" (0.187")
  • Outside Diameter: 6 (3/8")
  • Material: Brass (Tin)
  • Female Thread: E (#6-32)
  • Length: 3/16" (0.187")
NAS1831BT6E12 6 (3/8") Brass (Tin) E (#6-32) 3/16" (0.187")
  • Outside Diameter: 6 (3/8")
  • Material: Brass (Tin)
  • Female Thread: E (#6-32)
  • Length: 3/16" (0.187")
NAS1831BT6E13 6 (3/8") Brass (Tin) E (#6-32) 13/64" (0.203")
  • Outside Diameter: 6 (3/8")
  • Material: Brass (Tin)
  • Female Thread: E (#6-32)
  • Length: 13/64" (0.203")
NAS1831BT6E14 6 (3/8") Brass (Tin) E (#6-32) 7/32" (0.218")
  • Outside Diameter: 6 (3/8")
  • Material: Brass (Tin)
  • Female Thread: E (#6-32)
  • Length: 7/32" (0.218")
NAS1831BT6E15 6 (3/8") Brass (Tin) E (#6-32) 15/64" (0.234")
  • Outside Diameter: 6 (3/8")
  • Material: Brass (Tin)
  • Female Thread: E (#6-32)
  • Length: 15/64" (0.234")
NAS1831BT6E04 6 (3/8") Brass (Tin) E (#6-32) 1/4" (0.25")
  • Outside Diameter: 6 (3/8")
  • Material: Brass (Tin)
  • Female Thread: E (#6-32)
  • Length: 1/4" (0.25")
NAS1831BT6E16 6 (3/8") Brass (Tin) E (#6-32) 1/4" (0.25")
  • Outside Diameter: 6 (3/8")
  • Material: Brass (Tin)
  • Female Thread: E (#6-32)
  • Length: 1/4" (0.25")
NAS1831BT6E17 6 (3/8") Brass (Tin) E (#6-32) 17/64" (0.265")
  • Outside Diameter: 6 (3/8")
  • Material: Brass (Tin)
  • Female Thread: E (#6-32)
  • Length: 17/64" (0.265")