5310-00-115-3257

Find complete technical information, availability, and procurement data for: 5310-00-115-3257
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-115-3257

Item Name Code

29729

Assigment Date

09/27/1968 (57 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.

right-hand thread direction, 0.350 inches nominal washer outside diameter, prevailing torque all metal design locking feature, 0.259 inches nominal overall height, 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: 0.350 inches nominal
Overall Height: 0.259 inches nominal
Nut Style: double hexagon
Washer Thickness: 0.025 inches minimum and 0.035 inches maximum
Width Across Flats: 0.243 inches minimum and 0.251 inches maximum
Temp Rating: 1200.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Material: iron alloy 660 overall
Material Document And Classification: ams 5735 assn std single material response overall
Precious Material: silver
Surface Treatment: silver 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
3003T12P01	Extended Washer Self-Locking Nut
FN1216-1032	Extended Washer Self-Locking Nut
LH3417-02	Extended Washer Self-Locking Nut
R398P1A	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-115-3257?

The FSCG of the NSN 5310-00-115-3257 is 5310

Does the NSN 5310-00-115-3257 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-115-3257 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 5310-00-115-3257 contain precious materials?

Item contains silver.

Does NSN 5310-00-115-3257 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 5310-00-115-3257 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Sep 27, 1968