2660-0957-07

View detailed technical data, stock status, and sourcing information for: 2660-0957-07
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-275-2042

Item Name Code

05277

Assigment Date

01/01/1963 (63 years ago)

0.298 inches minimum and 0.328 inches maximum nut height, 3b thread class, right-hand thread direction, prevailing torque all metal design or prevailing torque with nonmetallic insert locking feature, hexagon nut style

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 or prevailing torque with nonmetallic insert
Nut Style: hexagon
Nut Height: 0.298 inches minimum and 0.328 inches maximum
Width Across Flats: 0.740 inches minimum and 0.752 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.500 inches
Bearing Surface Type: flat
Material: steel overall
Surface Treatment: cadmium or zinc overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-605-1758	No Name Available	01/01/1963

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
1137-820T	Hexagon Self-Locking Nut
2660-0957-07	Hexagon Self-Locking Nut
3X91114	Hexagon Self-Locking Nut
6028794	Hexagon Self-Locking Nut
8186862	Hexagon Self-Locking Nut
853948	Hexagon Self-Locking Nut
AN364-820	Hexagon Self-Locking Nut
MS20364-820	Hexagon Self-Locking Nut
S13605	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-275-2042?

The FSCG of the NSN 5310-00-275-2042 is 5310

Does the NSN 5310-00-275-2042 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-275-2042 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 5310-00-275-2042 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-275-2042 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 5310-00-275-2042 was assigned to the Federal Catalog?

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