5310-00-138-4299

Find complete technical information, availability, and procurement data for: 5310-00-138-4299
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-138-4299

Item Name Code

29732

Assigment Date

08/09/1971 (54 years ago)

A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.

soluble lubricant lubrication, single ball seat, hexagon nut style, prevailing torque all metal design locking feature, right-hand thread direction, 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
Lubrication: soluble lubricant
Nut Style: single ball seat, hexagon
Ball Seat Radius: 0.385 inches nominal
Nut Height: 0.344 inches maximum
Width Across Flats: 0.433 inches minimum and 0.440 inches maximum
Temp Rating: 450.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-01-010-2168	No Name Available	11/01/1976

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
H55LH4367-064	Single Ball Sea Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-138-4299?

The FSCG of the NSN 5310-00-138-4299 is 5310

Does the NSN 5310-00-138-4299 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-138-4299 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 5310-00-138-4299 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-138-4299 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 5310-00-138-4299 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Mon, Aug 9, 1971