162L639P1

View detailed technical data, stock status, and sourcing information for: 162L639P1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-550-9221

Item Name Code

01857

Assigment Date

01/01/1963 (63 years ago)

0.736 inches minimum and 0.750 inches maximum width across flats, right-hand thread direction, hexagon nut style, 2b thread class, 0.427 inches minimum and 0.444 inches maximum nut height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.427 inches minimum and 0.444 inches maximum
Width Across Flats: 0.736 inches minimum and 0.750 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 13
Nominal Thread Size: 0.500 inches
Bearing Surface Type: washer faced
Material: copper alloy overall
Precious Material: silver
Surface Treatment: silver overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-596-5385	No Name Available	06/01/1989

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
162L639P1	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-550-9221?

The FSCG of the NSN 5310-00-550-9221 is 5310

Does the NSN 5310-00-550-9221 have a Schedule B code assigned?

Yes, the Schedule B code is 7415290000

Does NSN 5310-00-550-9221 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 5310-00-550-9221 contain precious materials?

Item contains silver.

Does NSN 5310-00-550-9221 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 5310-00-550-9221 was assigned to the Federal Catalog?

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