5310-00-540-2526

Find complete technical information, availability, and procurement data for: 5310-00-540-2526
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-540-2526

Item Name Code

29730

Assigment Date

09/25/1974 (51 years ago)

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

3b thread class, 0.770 inches maximum washer outside diameter, prevailing torque all metal design locking feature, 0.250 inches nominal overall height, right-hand thread direction

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: 0.770 inches maximum
Overall Height: 0.250 inches nominal
Nut Style: castellated hexagon
Washer Thickness: 0.030 inches nominal
Width Across Flats: 0.556 inches minimum and 0.566 inches maximum
Temp Rating: 800.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.500 inches
Material: iron alloy 660 overall
Material Document And Classification: ams 5525 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response overall
Precious Material And Location: on nut silver
Precious Material: silver
Surface Treatment: silver overall
Surface Treatment Document And Classification: ams 2410 assn std single treatment response or ams 2411 assn std single treatment 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
3D00027-8	Extended Washer Self-Locking Nut
3D0027-8	Extended Washer Self-Locking Nut
73783CS-820	Extended Washer Self-Locking Nut
HC54710-8	Extended Washer Self-Locking Nut
TE9925-8	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-540-2526?

The FSCG of the NSN 5310-00-540-2526 is 5310

Does the NSN 5310-00-540-2526 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-540-2526 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 5310-00-540-2526 contain precious materials?

Item contains silver.

Does NSN 5310-00-540-2526 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 5310-00-540-2526 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Wed, Sep 25, 1974