5310-01-139-2061

Find complete technical information, availability, and procurement data for: 5310-01-139-2061
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-139-2061

Item Name Code

05277

Assigment Date

09/27/1982 (43 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

right-hand thread direction, hexagon nut style, 0.245 inches minimum and 0.260 inches maximum nut height, soluble lubricant lubrication, 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
Lubrication: soluble lubricant
Nut Style: hexagon
Nut Height: 0.245 inches minimum and 0.260 inches maximum
Width Across Flats: 0.419 inches nominal
Thread Series: unjf
Thread Quantity Per Inch: 28
Hardness Rating: 26.0 rockwell c minimum and 44.0 rockwell c maximum
Nominal Thread Size: 0.250 inches
Material: steel 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
10109767	Hexagon Self-Locking Nut
4057T86	Hexagon Self-Locking Nut
4057T86P01	Hexagon Self-Locking Nut
4057T86P02	Hexagon Self-Locking Nut
81974-428	Hexagon Self-Locking Nut
H50600-4	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-139-2061?

The FSCG of the NSN 5310-01-139-2061 is 5310

Does the NSN 5310-01-139-2061 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-139-2061 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 5310-01-139-2061 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-139-2061 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 5310-01-139-2061 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Mon, Sep 27, 1982