5310-00-540-2528

Find complete technical information, availability, and procurement data for: 5310-00-540-2528
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-540-2528

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.

0.420 inches maximum washer outside diameter, 3b thread class, dry film lubricant lubrication, prevailing torque all metal design locking feature, 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: 0.420 inches maximum
Lubrication: dry film lubricant
Overall Height: 0.266 inches minimum and 0.296 inches maximum
Nut Style: slotted hexagon
Washer Thickness: 0.025 inches nominal
Width Across Flats: 0.306 inches minimum and 0.316 inches maximum
Temp Rating: 550.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 28
Hardness Rating: 46.0 rockwell c maximum
Nominal Thread Size: 0.250 inches
Material: iron alloy 660 overall
Material Document And Classification: ams 5737 assn std single 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
9109M45P03	Extended Washer Self-Locking Nut
9109M45P06	Extended Washer Self-Locking Nut
H49068-4	Extended Washer Self-Locking Nut
SME9925-4	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-540-2528?

The FSCG of the NSN 5310-00-540-2528 is 5310

Does the NSN 5310-00-540-2528 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-540-2528 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 5310-00-540-2528 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-540-2528 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 5310-00-540-2528 was assigned to the Federal Catalog?

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