5305-01-522-5315

Find complete technical information, availability, and procurement data for: 5305-01-522-5315
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-522-5315

Item Name Code

18257

Assigment Date

08/03/2004 (21 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

0.875 inches nominal thread length, 2a thread class, right-hand thread direction, hexagon head style, 0.875 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: 0.875 inches nominal
Fastener Length: 0.875 inches maximum
Head Style: hexagon
Head Height: 0.195 inches minimum and 0.211 inches maximum
Width Between Flats: 0.489 inches minimum and 0.500 inches maximum
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 18
Special Features: altered item drawing
Material: steel corrosion resisting 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
7226368-1	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-522-5315?

The FSCG of the NSN 5305-01-522-5315 is 5305

Does the NSN 5305-01-522-5315 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-522-5315 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 5305-01-522-5315 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-522-5315 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 5305-01-522-5315 was assigned to the Federal Catalog?

It was assigned 21 years ago, on Tue, Aug 3, 2004