5310-01-631-4729

Find complete technical information, availability, and procurement data for: 5310-01-631-4729
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-631-4729

Item Name Code

29725

Assigment Date

09/16/2014 (11 years ago)

An insulator that is essentially thin and flat, with one through hole centrally located. The general shape may vary by the addition of features such as beveled edges, indented surfaces, through hole keys, and/or peripheral flats. The thickness measured between the two parallel bearing surfaces must not exceed 25 percent of the outside diameter or the shortest distance between peripheral flats. The thickness measured between the two parallel bearing surfaces must not exceed 25 percent of the outside diameter or the shortest distance between peripheral flats. Excludes:items with more than one hole. See also insulator, disk; insulator, bead; insulator, bushing; and insulator, plate

right-hand thread direction, prevailing torque with nonmetallic insert locking feature, 2b thread class, castellated, hexagon nut style, 0.469 inches nominal nut 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: 2b
Thread Direction: right-hand
Locking Feature: prevailing torque with nonmetallic insert
Nut Style: castellated, hexagon
Nut Height: 0.469 inches nominal
End Item Identification: 5855-01-616-2559
Width Across Flats: 0.562 inches nominal
Thread Series: unf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Bearing Surface Type: chamfered
Part Name Assigned By Controlling Agency: flex-top expanding hex locknut
Special Features: per mcmaster carr part number has multiple sources and oem could not be provided
Material: steel overall
Surface Treatment: cadmium 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
94820A245	Nut,self-Locking,castellated,hex

FAQs

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

What is the FSCG of the NSN 5310-01-631-4729?

The FSCG of the NSN 5310-01-631-4729 is 5310

Does the NSN 5310-01-631-4729 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-631-4729 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 5310-01-631-4729 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-631-4729 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 5310-01-631-4729 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Tue, Sep 16, 2014