5305-01-660-7587

Find complete technical information, availability, and procurement data for: 5305-01-660-7587
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-660-7587

Item Name Code

18257

Assigment Date

02/02/2017 (9 years ago)

A pliable rubber or composition ring-shaped element, split or jointless (solid) not encased in a metal shell, but having a spring, spreader and/or molded-in reinforcement. It is designed to be pressmounted between fixed and movable or moving parts to form a tight and effective seal.

2a thread class, 0.500 inches nominal thread length, hexagon head style, 0.500 inches nominal fastener length, 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: 0.500 inches nominal
Fastener Length: 0.500 inches nominal
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.163 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
End Item Identification: 2355-01-587-2316
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Part Name Assigned By Controlling Agency: screw cap hex (finished hex bolt)
Material: steel uns k04100 overall
Surface Treatment: zinc overall
Thread Series Designator: unf

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
4123251	Hexagon Head Cap Screw
91286A101	Hexagon Head Cap Screw
AES01F250500AW9A91	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-660-7587?

The FSCG of the NSN 5305-01-660-7587 is 5305

Does the NSN 5305-01-660-7587 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-660-7587 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 5305-01-660-7587 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-660-7587 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 5305-01-660-7587 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Thu, Feb 2, 2017