5305-01-531-0808

Find complete technical information, availability, and procurement data for: 5305-01-531-0808
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-531-0808

Item Name Code

16282

Assigment Date

06/21/2005 (21 years ago)

A pair of preformed cushions to provide protective covering for the knees. Designed for wear by workers who are required, by nature of their jobs, to operate in a kneeling position.

1.000 inches minimum thread length, 1.234 inches minimum and 1.281 inches maximum fastener length, right-hand thread direction, 3a thread class, flat chamfer head style

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
Thread Direction: right-hand
Thread Length: 1.000 inches minimum
Fastener Length: 1.234 inches minimum and 1.281 inches maximum
Head Style: flat chamfer
Head Diameter: 0.365 inches minimum and 0.375 inches maximum
Head Height: 0.244 inches minimum and 0.250 inches maximum
Locking Feature: patch or pellet or strip threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.188 inches minimum and 0.190 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength: 130000 pounds per square inch
Material: plastic polyamide (nylon) locking feature
Material: steel fastener
Surface Treatment: cadmium and chromate fastener
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
NAS1352-4LE20	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-531-0808?

The FSCG of the NSN 5305-01-531-0808 is 5305

Does the NSN 5305-01-531-0808 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-531-0808 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 5305-01-531-0808 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-531-0808 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 5305-01-531-0808 was assigned to the Federal Catalog?

It was assigned 21 years ago, on Tue, Jun 21, 2005