5310-00-660-2600

Find complete technical information, availability, and procurement data for: 5310-00-660-2600
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-660-2600

Item Name Code

01857

Assigment Date

01/01/1963 (63 years ago)

0.178 inches minimum and 0.193 inches maximum nut height, 2b thread class, hexagon nut style, right-hand thread direction, 0.423 inches minimum and 0.438 inches maximum width across flats

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
Nut Style: hexagon
Nut Height: 0.178 inches minimum and 0.193 inches maximum
Width Across Flats: 0.423 inches minimum and 0.438 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.250 inches
Bearing Surface Type: chamfered or washer faced
Material: copper alloy 360 overall
Material Document And Classification: qq-b-626 fed spec single material response overall
Surface Treatment: nickel overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-531-0102	No Name Available	09/01/1995
5310-00-680-6192	No Name Available	01/01/1983

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
11603436	Hexagon Plain Nut
57435-158	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-660-2600?

The FSCG of the NSN 5310-00-660-2600 is 5310

Does the NSN 5310-00-660-2600 have a Schedule B code assigned?

Yes, the Schedule B code is 7415290000

Does NSN 5310-00-660-2600 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 5310-00-660-2600 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-660-2600 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 5310-00-660-2600 was assigned to the Federal Catalog?

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