5310-00-391-0687

Find complete technical information, availability, and procurement data for: 5310-00-391-0687
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-391-0687

Item Name Code

29727

Assigment Date

01/01/1963 (63 years ago)

A nut having 6 flat sides and a cone seat bearing surface. 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, single ball seat, hexagon.

cone seat, hexagon nut style, 0.625 inches nominal nut height, free-running 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: free-running all metal design
Nut Style: cone seat, hexagon
Nut Height: 0.625 inches nominal
End Item Identification: engine, aircraft t-64,f117a aircraft,shipboardmaterial handling equipment (mhe), integrated underwater surviellance systemsaircraft, orion p-3,aircraft, hawkeye e-2c
Width Across Flats: 0.812 inches nominal
Thread Series: unf
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.500 inches
Cone Seat Angle: 60.00 degrees nominal
Material: steel comp 1108 overall
Material Document And Classification: aisi assn std single material response overall
Surface Treatment: cadmium and zinc overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-496-2174	No Name Available	07/22/1968
5310-00-933-4300	No Name Available	05/03/1968

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
47323	Nut,self-Locking,cone Seat,hexag
635516	Nut,self-Locking,cone Seat,hexag
69 957 H	Nut,self-Locking,cone Seat,hexag
69957H	Nut,self-Locking,cone Seat,hexag
T5969	Nut,self-Locking,cone Seat,hexag
WP-X1023R	Nut,self-Locking,cone Seat,hexag

FAQs

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

What is the FSCG of the NSN 5310-00-391-0687?

The FSCG of the NSN 5310-00-391-0687 is 5310

Does the NSN 5310-00-391-0687 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-391-0687 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 5310-00-391-0687 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-391-0687 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 5310-00-391-0687 was assigned to the Federal Catalog?

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