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NSN 5305-00-042-0991

Truss Head Slotted Machine Screw And Spring Lock Washer Assemblies

About this product

Between 0.469 inches and 0.500 inches fastener length, round head style, between 0.443 inches and 0.472 inches head diameter, head height: between 0.160 inches and 0.175 inches .

Manufacturer part number 420991 for national stock number 5305000420991.

Datasheet

  • Product description

    Assembled Washer Screw NSN 5305-00-042-0991.

  • MPN or Model

    420991

  • 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.)
    1.1 lb
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.369 inches and 0.469 inches
  • Fastener Length
    Between 0.469 inches and 0.500 inches
  • Head Style
    Round
  • Head Diameter
    Between 0.443 inches and 0.472 inches
  • Head Height
    Between 0.160 inches and 0.175 inches
  • Washer Quantity
    1
  • Internal Drive Style
    Slot
  • Thread Diameter
    0.250 inches
  • Thready Qty Per Inch (tpi)
    20
  • Primary Washer Outside Diameter
    Between 0.460 inches and 0.475 inches
  • Primary Washer Style
    Flat external teeth
  • Primary Washer Material Thickness
    Between 0.023 inches and 0.028 inches
  • Material
    Steel fastener
  • Material Specification
    Sae assn standard single material response primary washer
  • Surface Treatment
    Zinc primary washer
  • Surface Treatment Specification
    Qq-z-325, type 1, cl 3 federal specification single treatment response primary washer
  • Thread Series Designator
    Unc
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Assembled Washer Screw

A screw, (as modified) to which has been assembled one or more nonremovable washer(s).

Mechanic Bill explains Truss Head Slotted Machine Screw And Spring Lock Washer Assemblies

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NSN 5305000420991

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
420991 Army Weapons Command
DF4714 American Standard Inc
7529-11A Miller Trailers Inc
505724 Fruehauf Corp
7520831 U S Army Tank Automotive Command
7529-11A Saginaw Products Corporation
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