5310PL0643780

View detailed technical data, stock status, and sourcing information for: 5310PL0643780
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-073-7026

Item Name Code

29730

Assigment Date

03/20/1979 (47 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, dry film lubricant lubrication, right-hand thread direction, prevailing torque all metal design locking feature, 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: 0.420 inches maximum
Lubrication: dry film lubricant
Overall Height: 0.173 inches minimum and 0.203 inches maximum
Nut Style: slotted hexagon
Washer Thickness: 0.020 inches nominal
Width Across Flats: 0.305 inches minimum and 0.315 inches maximum
Temp Rating: 450.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Bearing Surface Finish: 125.0 microinches
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-036-6947	No Name Available	12/01/1992

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
177736-29	Extended Washer Self-Locking Nut
5310PL0643780	Extended Washer Self-Locking Nut
BACN11N104CD	Extended Washer Self-Locking Nut
MS14145L4	Extended Washer Self-Locking Nut
RMTE9868-4	Extended Washer Self-Locking Nut
THCR-354M	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-073-7026?

The FSCG of the NSN 5310-01-073-7026 is 5310

Does the NSN 5310-01-073-7026 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-073-7026 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 5310-01-073-7026 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-073-7026 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 5310-01-073-7026 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Tue, Mar 20, 1979