BS0A-6440-12

View detailed technical data, stock status, and sourcing information for: BS0A-6440-12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-249-2794

Item Name Code

01860

Assigment Date

02/09/1987 (39 years ago)

A nut having ears or lugs designed to hold it in position after its installation in a specially designed channel. An integral feature is incorporated for locking on the threads of a mating member.

2b thread class, 0.370 inches minimum and 0.378 inches maximum nut height, right-hand thread direction, 0.212 inches minimum and 0.217 inches maximum pilot diameter, clinch 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: 2b
Thread Direction: right-hand
Pilot Diameter: 0.212 inches minimum and 0.217 inches maximum
Nut Style: clinch
Nut Height: 0.370 inches minimum and 0.378 inches maximum
Width Across Flats: 0.250 inches nominal
Thread Series: unc
Thread Quantity Per Inch: 40
Nominal Thread Size: 0.112 inches
Part Name Assigned By Controlling Agency: navy special project
Material: aluminum alloy 7075 overall
Material Document And Classification: qq-a-250/12,t6 fed spec single material response 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
BS0A-6440-12	Clinch Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-249-2794?

The FSCG of the NSN 5310-01-249-2794 is 5310

Does the NSN 5310-01-249-2794 have a Schedule B code assigned?

Yes, the Schedule B code is 7616995195

Does NSN 5310-01-249-2794 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 5310-01-249-2794 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-249-2794 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 5310-01-249-2794 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Mon, Feb 9, 1987