318659

View detailed technical data, stock status, and sourcing information for: 318659
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-576-1531

Item Name Code

29729

Assigment Date

01/01/1963 (63 years ago)

3b thread class, 0.598 inches maximum washer outside diameter, 0.454 inches minimum and 0.469 inches maximum overall height, 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: 0.598 inches maximum
Overall Height: 0.454 inches minimum and 0.469 inches maximum
Nut Style: double hexagon
Washer Thickness: 0.080 inches nominal
Width Across Flats: 0.492 inches minimum and 0.502 inches maximum
Temp Rating: 550.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Special Features: chromic acid dipped
Material: steel comp 1137 overall
Material Document And Classification: aisi1137 assn std single material response or ams5024 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-559-0475	No Name Available	09/04/1991
5310-00-924-5246	No Name Available	01/01/1976
5310-00-931-8547	No Name Available	09/01/1984
5310-00-934-0504	No Name Available	04/01/1976
5310-00-943-2443	No Name Available	11/01/1988
5310-01-103-9178	No Name Available	04/01/1998

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
318659	Extended Washer Self-Locking Nut
482061	Extended Washer Self-Locking Nut
52Z1835-064	Extended Washer Self-Locking Nut
649724	Extended Washer Self-Locking Nut
649727	Extended Washer Self-Locking Nut
649731	Extended Washer Self-Locking Nut
6739971-064	Extended Washer Self-Locking Nut
69416-624	Extended Washer Self-Locking Nut
D52Z1835-064	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-576-1531?

The FSCG of the NSN 5310-00-576-1531 is 5310

Does the NSN 5310-00-576-1531 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-576-1531 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 5310-00-576-1531 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-576-1531 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 5310-00-576-1531 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963