5310-00-904-5255

Find complete technical information, availability, and procurement data for: 5310-00-904-5255
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-904-5255

Item Name Code

29729

Assigment Date

01/01/1960 (66 years ago)

prevailing torque all metal design locking feature, 0.585 inches maximum overall height, 0.830 inches maximum washer outside diameter, right-hand thread direction, 3b thread class

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: 0.830 inches maximum
Overall Height: 0.585 inches maximum
Nut Style: double hexagon
Washer Thickness: 0.045 inches minimum
Width Across Flats: 0.553 inches minimum and 0.564 inches maximum
Temp Rating: 450.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 20
Hardness Rating: 49.0 rockwell c maximum
Nominal Thread Size: 0.438 inches
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-904-5780	No Name Available	02/12/1968

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
GYN267	Extended Washer Self-Locking Nut
LH6426T070	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-904-5255?

The FSCG of the NSN 5310-00-904-5255 is 5310

Does the NSN 5310-00-904-5255 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-904-5255 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 5310-00-904-5255 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-904-5255 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 5310-00-904-5255 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960