5305-01-431-9913

Find complete technical information, availability, and procurement data for: 5305-01-431-9913
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-431-9913

Item Name Code

16282

Assigment Date

05/23/1996 (30 years ago)

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

0.306 inches minimum and 0.312 inches maximum head height, 1.500 inches nominal fastener length, flat fillister head style, 0.457 inches minimum and 0.469 inches maximum head diameter, 3a thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Fastener Length: 1.500 inches nominal
Head Style: flat fillister
Head Diameter: 0.457 inches minimum and 0.469 inches maximum
Head Height: 0.306 inches minimum and 0.312 inches maximum
Locking Feature: patch or pellet or strip threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.250 inches nominal
Thread Quantity Per Inch: 18
Material: plastic polyamide (nylon) locking feature
Material: steel overall
Thread Series Designator: unrc

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
211048518	Socket Head Cap Screw
752-6406821-43	Socket Head Cap Screw
752-6406841-35	Socket Head Cap Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-431-9913?

The FSCG of the NSN 5305-01-431-9913 is 5305

Does the NSN 5305-01-431-9913 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-431-9913 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-01-431-9913 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-431-9913 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-01-431-9913 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Thu, May 23, 1996