5305-00-500-0851

Find complete technical information, availability, and procurement data for: 5305-00-500-0851
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-500-0851

Item Name Code

18257

Assigment Date

07/02/1974 (52 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

0.344 inches minimum thread length, 2a thread class, hexagon head style, right-hand thread direction, 0.407 inches minimum and 0.438 inches maximum fastener length

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: 0.344 inches minimum
Fastener Length: 0.407 inches minimum and 0.438 inches maximum
Head Style: hexagon
Head Height: 0.938 inches minimum and 1.093 inches maximum
Width Between Flats: 0.240 inches minimum and 0.260 inches maximum
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Material: steel overall
Material Document And Classification: 9-694 fscm 77820 mfr ref single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: 9-997 fscm 77820 mfr ref single treatment response 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
10-357256	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-500-0851?

The FSCG of the NSN 5305-00-500-0851 is 5305

Does the NSN 5305-00-500-0851 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-500-0851 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 5305-00-500-0851 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-500-0851 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 5305-00-500-0851 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Tue, Jul 2, 1974