1-321-802-5889

NSN 5305-01-372-0341

Panel Assembly Fastener

About this product

Between 0.2843 inches and 0.3437 inches fastener length, flat chamfer head style, between 0.281 inches and 0.343 inches head diameter, head height: between 0.125 inches and 0.187 inches .

Manufacturer part number MIL-S-21472 for national stock number 5305013720341.

Datasheet

  • Product description

    Shoulder Screw NSN 5305-01-372-0341.

  • MPN or Model

    MIL-S-21472

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.1563 inches and 0.2187 inches
  • Fastener Length
    Between 0.2843 inches and 0.3437 inches
  • Head Style
    Flat chamfer
  • Head Diameter
    Between 0.281 inches and 0.343 inches
  • Head Height
    Between 0.125 inches and 0.187 inches
  • Shoulder Diameter
    0.1860 inches first shoulder and 0.1870 inches first shoulder
  • Shoulder Length
    0.125 inches first shoulder and 0.128 inches first shoulder
  • Internal Drive Style
    Torque
  • Thread Diameter
    0.164 inches
  • Thready Qty Per Inch (tpi)
    32
  • Shoulder Shape
    Round first shoulder
  • Material
    Steel comp 304 or steel comp xm-7
  • Material Specification
    Astm a493 assn standard all material responses
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 ty1 federal specification single treatment response
  • Thread Series Designator
    Unc
Shoulder Screw

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes bolt, internal wrenching and screw, cap, socket head.

Mechanic Bill explains Panel Assembly Fastener

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NSN 5305013720341

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MIL-S-21472 Military Specifications
MS51575-6 National Aerospace Standards
MS51575-6 Military Standards
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