21556037-1

View detailed technical data, stock status, and sourcing information for: 21556037-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-470-2622

Item Name Code

18257

Assigment Date

12/13/1999 (26 years ago)

right-hand thread direction, 0.375 inches nominal thread diameter, hexagon head style, diesel engine, model alco 251 end item identification, 3.000 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: 3.000 inches nominal
Head Style: hexagon
End Item Identification: diesel engine, model alco 251
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
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
21556037-1	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-470-2622?

The FSCG of the NSN 5305-01-470-2622 is 5305

Does NSN 5305-01-470-2622 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 5305-01-470-2622 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-470-2622 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 5305-01-470-2622 was assigned to the Federal Catalog?

It was assigned 26 years ago, on Mon, Dec 13, 1999