5310-01-025-6991

Find complete technical information, availability, and procurement data for: 5310-01-025-6991
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-025-6991

Item Name Code

05277

Assigment Date

08/08/1976 (50 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, 3b thread class, hexagon nut style, prevailing torque all metal design locking feature, 0.407 inches maximum 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: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Nut Style: hexagon
Nut Height: 0.407 inches maximum
Width Across Flats: 0.928 inches minimum and 0.940 inches maximum
Temp Rating: 900.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.625 inches
Countersink Angle: 120.0 degrees nominal nut
Bearing Surface Type: chamfered or washer faced
Material: iron alloy 660 overall
Material Document And Classification: ams5525 assn std single material response or ams5737 assn std single material response overall
Precious Material: silver
Surface Treatment: silver overall
Surface Treatment Document And Classification: ams 2410 assn std single treatment response overall
Specification/Standard Data: 81205-bacn10jc manufacturers standard

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
101LH9074-10	Hexagon Self-Locking Nut
BACN10JC10C	Hexagon Self-Locking Nut
BMN4122C15-10	Hexagon Self-Locking Nut
H31-10BAC	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-025-6991?

The FSCG of the NSN 5310-01-025-6991 is 5310

Does the NSN 5310-01-025-6991 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-025-6991 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 5310-01-025-6991 contain precious materials?

Item contains silver.

Does NSN 5310-01-025-6991 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 5310-01-025-6991 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Sun, Aug 8, 1976