5310-00-273-7776

Find complete technical information, availability, and procurement data for: 5310-00-273-7776
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-273-7776

Item Name Code

29730

Assigment Date

01/01/1963 (63 years ago)

0.646 inches minimum and 0.666 inches maximum washer outside diameter, 0.428 inches minimum and 0.448 inches maximum overall height, 3b thread class, right-hand thread direction, prevailing torque all metal design locking feature

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Washer Outside Diameter: 0.646 inches minimum and 0.666 inches maximum
Overall Height: 0.428 inches minimum and 0.448 inches maximum
Nut Style: hexagon
Washer Thickness: 0.084 inches minimum and 0.104 inches maximum
Width Across Flats: 0.556 inches minimum and 0.563 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 24
Hardness Rating: 19.0 rockwell c minimum and 26.0 rockwell c maximum
Nominal Thread Size: 0.375 inches
Material: steel comp 8735 or steel comp 4140 overall
Material Document And Classification: ams 6320 assn std 1st material response or ams 4140 assn std 2nd material response overall

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
124D75	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-273-7776?

The FSCG of the NSN 5310-00-273-7776 is 5310

Does the NSN 5310-00-273-7776 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-273-7776 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 5310-00-273-7776 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-273-7776 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 5310-00-273-7776 was assigned to the Federal Catalog?

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