5310-00-297-3756

Find complete technical information, availability, and procurement data for: 5310-00-297-3756
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-297-3756

Item Name Code

29729

Assigment Date

01/01/1963 (63 years ago)

3b thread class, 0.677 inches minimum and 0.687 inches maximum washer outside diameter, prevailing torque with nonmetallic insert locking feature, right-hand thread direction, 0.453 inches nominal overall height

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 with nonmetallic insert
Washer Outside Diameter: 0.677 inches minimum and 0.687 inches maximum
Overall Height: 0.453 inches nominal
Nut Style: double hexagon
Washer Thickness: 0.099 inches nominal
Width Across Flats: 0.488 inches minimum and 0.503 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Material: plastic polyamide (nylon) locking insert
Material: steel comp 4130 or steel comp 4340 or steel comp 8740 nut
Material Document And Classification: aisi assn std all material responses nut
Surface Treatment: cadmium overall except insert
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response overall except insert

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-275-0707	No Name Available	01/01/1963
5310-00-535-8638	No Name Available	01/01/1963

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
12NH-6	Extended Washer Self-Locking Nut
53-60100-4	Extended Washer Self-Locking Nut
5310PL2016022	Extended Washer Self-Locking Nut
607873-15	Extended Washer Self-Locking Nut
608889-10	Extended Washer Self-Locking Nut
8168351	Extended Washer Self-Locking Nut
EB-624	Extended Washer Self-Locking Nut
EB064	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-297-3756?

The FSCG of the NSN 5310-00-297-3756 is 5310

Does the NSN 5310-00-297-3756 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-297-3756 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 5310-00-297-3756 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-297-3756 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 5310-00-297-3756 was assigned to the Federal Catalog?

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