18257-037

View detailed technical data, stock status, and sourcing information for: 18257-037
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-701-3371

Item Name Code

18257

Assigment Date

05/11/2022 (4 years ago)

A tubular metal item designed primarily as a replaceable wear surface within the cylinder bore of a piston type internal combustion engine, compressor, or reciprocating pump.

1.25 inches nominal fastener length, right-hand thread direction, hexagon head style, 18 thread quantity per inch, 0.5625 inches nominal thread length

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: 0.5625 inches nominal
Fastener Length: 1.25 inches nominal
Head Style: hexagon
Thread Quantity Per Inch: 18
Hardness Rating: 33.0 rockwell c nominal overall
Minimum Yield Strength: 150000 pounds per square inch
Part Name Assigned By Controlling Agency: hex head screw
Material: steel 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
18257-037	Hexagon Head Cap Screw
5305PL2115544	Hexagon Head Cap Screw
92620A779	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-701-3371?

The FSCG of the NSN 5305-01-701-3371 is 5305

Does the NSN 5305-01-701-3371 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-701-3371 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 5305-01-701-3371 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-701-3371 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 5305-01-701-3371 was assigned to the Federal Catalog?

It was assigned 4 years ago, on Wed, May 11, 2022