5305-01-509-0771

Find complete technical information, availability, and procurement data for: 5305-01-509-0771
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-509-0771

Item Name Code

18257

Assigment Date

06/11/2003 (23 years ago)

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes:insulator, washer and thrust type washers.

hexagon head style, 1.000 inches nominal thread length, 1.500 inches nominal fastener length, 2a thread class, right-hand thread direction

Product Characteristics

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

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 1.000 inches nominal
Fastener Length: 1.500 inches nominal
Head Style: hexagon
Head Height: 0.230 inches nominal
Width Between Flats: 0.563 inches nominal
End Item Identification: sqh-4b towfis
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Material: steel overall
Thread Series Designator: unc

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
13170-00612	Hexagon Head Cap Screw
92198A628	Hexagon Head Cap Screw
AES01C375A50CL0A31	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-509-0771?

The FSCG of the NSN 5305-01-509-0771 is 5305

Does the NSN 5305-01-509-0771 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-509-0771 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 5305-01-509-0771 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-509-0771 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 5305-01-509-0771 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Wed, Jun 11, 2003