5310-01-339-3204

Find complete technical information, availability, and procurement data for: 5310-01-339-3204
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-339-3204

Item Name Code

29730

Assigment Date

05/20/1991 (35 years ago)

A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.

3b thread class, 0.5620 inches nominal washer outside diameter, hexagon nut style, 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: 0.5620 inches nominal
Nut Style: hexagon
Width Across Flats: 0.435 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 20
Hardness Rating: 38.0 rockwell c minimum and 44.0 rockwell c maximum
Nominal Thread Size: 0.500 inches
Material: steel comp 8740 or steel comp 4340 overall
Material Document And Classification: mil-s-8740 mil spec 1st material response or mil-s-5000 mil spec 2nd material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 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
H52207P8	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-339-3204?

The FSCG of the NSN 5310-01-339-3204 is 5310

Does the NSN 5310-01-339-3204 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-339-3204 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 5310-01-339-3204 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-339-3204 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 5310-01-339-3204 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Mon, May 20, 1991