1-321-802-5889

NSN 5305-00-850-5841

Drive Screw

About this product

Screw is not recommended for use in material the thickness of which is less than one diameter of the screw.

Manufacturer part number NASM21318 for national stock number 5305008505841.

Datasheet

  • Product description

    Drive Screw NSN 5305-00-850-5841.

  • MPN or Model

    NASM21318

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Unit Weight (Est.)
    0.2 lb
  • Fastener Length
    0.500 inches
  • Head Style
    Round
  • Head Diameter
    Between 0.264 inches and 0.285 inches
  • Head Height
    Between 0.099 inches and 0.111 inches
  • Pilot Diameter
    Between 0.122 inches and 0.126 inches
  • Pilot Length
    0.062 inches
  • End Application
    5895-01-514-7015, communications interface system (cis) (v) 2
  • Features Provided
    Casehardened
  • Nonmachine Thread Style
    Drive screw (type u)
  • Nonmachine Thread Diameter
    0.152 inches
  • Part Name Assigned By Controlling Agency
    Screw, drive, round head, type u, steel, carbon, cadmium plated
  • Material
    Steel
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416 type 2 cl 3 federal specification all treatment responses
  • Specification Data
    80205 - nas-21318, 25 nov 1998 which replaced ms21318, rev a0./13/65 professional/industrial association specification
Drive Screw

A hardened cylindrical fastener with multiple spiral flutes on its shank. It also has an end smaller in diameter than the outside diameter of the spiral flutes, which acts as a pilot when driven into a drilled hole.

Mechanic Bill explains Drive Screw

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NSN 5305008505841

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NASM21318 National Aerospace Standards
MS21318-37 National Aerospace Standards
MS21318-37 Military Standards
Stock Check
Availability for this item was last checked on 10/04/24. The quantities and conditions available at the time were:
  • NS: 2751
  • NE: 1809