187151

View detailed technical data, stock status, and sourcing information for: 187151
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-687-5910

Item Name Code

18257

Assigment Date

01/01/1963 (63 years ago)

3.375 inches nominal fastener length, right-hand thread direction, 2a thread class, 1.312 inches minimum thread length, hexagon head style

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: 1.312 inches minimum
Fastener Length: 3.375 inches nominal
Head Style: hexagon
Head Height: 0.281 inches nominal
Width Between Flats: 0.625 inches nominal
Nominal Thread Diameter: 0.438 inches
Thread Quantity Per Inch: 14
Minimum Tensile Strength: 120000 pounds per square inch
Hardness Rating: 23.0 rockwell c minimum and 30.0 rockwell c maximum overall
Material: steel 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
187151	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-687-5910?

The FSCG of the NSN 5305-00-687-5910 is 5305

Does the NSN 5305-00-687-5910 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-687-5910 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 5305-00-687-5910 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-687-5910 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 5305-00-687-5910 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963