5310-00-008-8664

Find complete technical information, availability, and procurement data for: 5310-00-008-8664
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-008-8664

Item Name Code

29730

Assigment Date

07/19/1972 (54 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.

0.644 inches nominal washer outside diameter, right-hand thread direction, dry film lubricant lubrication, 0.308 inches maximum 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
Washer Outside Diameter: 0.644 inches nominal
Lubrication: dry film lubricant
Overall Height: 0.308 inches maximum
Nut Style: hexagon
Width Across Flats: 0.398 inches nominal
Thread Series: unjf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Part Name Assigned By Controlling Agency: six-point nut captive washer
Material: steel comp 4137 or steel comp 4140 overall
Material Document And Classification: ams 6300 assn std all material responses or ms6414 fed spec single material response or ms6415 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416, type ii, class 2 fed spec 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
HW14-6	Extended Washer Self-Locking Nut
N157187-8	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-008-8664?

The FSCG of the NSN 5310-00-008-8664 is 5310

Does the NSN 5310-00-008-8664 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-008-8664 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 5310-00-008-8664 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-008-8664 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 5310-00-008-8664 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Jul 19, 1972