5310-00-680-5209

Find complete technical information, availability, and procurement data for: 5310-00-680-5209
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-680-5209

Item Name Code

29729

Assigment Date

01/01/1963 (63 years ago)

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

prevailing torque all metal design locking feature, right-hand thread direction, 0.450 inches maximum washer outside diameter, 3b thread class, dry film lubricant lubrication

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: 0.450 inches maximum
Lubrication: dry film lubricant
Overall Height: 0.328 inches maximum
Nut Style: double hexagon
Washer Thickness: 0.045 inches nominal
Width Across Flats: 0.306 inches minimum and 0.315 inches maximum
Temp Rating: 500.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 1,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Below is a list of NSNs that have been officially superseded by this NSN: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
3020-00-010-1316	No Name Available	01/27/1969
5310-00-836-5124	No Name Available	09/01/1991

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
3M221-4	Extended Washer Self-Locking Nut
H23-4	Extended Washer Self-Locking Nut
LH3393-048	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-680-5209?

The FSCG of the NSN 5310-00-680-5209 is 5310

Does the NSN 5310-00-680-5209 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-680-5209 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 5310-00-680-5209 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-680-5209 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 5310-00-680-5209 was assigned to the Federal Catalog?

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