5305-01-656-2500

Find complete technical information, availability, and procurement data for: 5305-01-656-2500
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-656-2500

Item Name Code

18257

Assigment Date

06/22/2016 (10 years ago)

A pliable rubber, felt, leather, or composition ring-shaped element, split or solid; with or without spring or spreader, having a metal shell on all or a portion of at least two of the outer surfaces. It may be designed to be either bolt mounted or pressmounted between fixed and moveable parts to form a tight and effective seal by the pressure of the spring or spreader or the resiliency inherent in the element material. Excludes:packing with retainer.

75.0 millimeters nominal fastener length, 18.0 millimeters nominal thread length, hexagon head style, 3.85 millimeters minimum and 4.15 millimeters maximum head height, 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 Direction: right-hand
Thread Length: 18.0 millimeters nominal
Fastener Length: 75.0 millimeters nominal
Head Style: hexagon
Head Height: 3.85 millimeters minimum and 4.15 millimeters maximum
Width Between Flats: 9.78 millimeters minimum and 10.00 millimeters maximum
End Item Identification: 1025-01-445-0991
Nominal Thread Diameter: 6.0 millimeters
Thread Pitch In Millimeters: 1.0
External Thread Tolerance Class: 6g
Part Name Assigned By Controlling Agency: screw cap hex
Special Features: material grade 10.9
Material: steel overall
Surface Treatment: zinc and chromate overall
Thread Series Designator: m

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
AES07M06A075CG8A81	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-656-2500?

The FSCG of the NSN 5305-01-656-2500 is 5305

Does the NSN 5305-01-656-2500 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-656-2500 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 5305-01-656-2500 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-656-2500 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 5305-01-656-2500 was assigned to the Federal Catalog?

It was assigned 10 years ago, on Wed, Jun 22, 2016