BR4B81

View detailed technical data, stock status, and sourcing information for: BR4B81
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-110-7910

Item Name Code

01873

Assigment Date

04/06/1981 (45 years ago)

3b thread class, flat countersunk head style, right-hand thread direction, 0.263 inches nominal head diameter, blind rivet w/smooth round shank 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
Head Style: flat countersunk
Head Diameter: 0.263 inches nominal
Nut Style: blind rivet w/smooth round shank
Nut Diameter: 0.151 inches minimum and 0.155 inches maximum
Nut Length: 0.510 inches minimum and 0.540 inches maximum
Shank End Type: closed
Thread Series: unc
Thread Quantity Per Inch: 40
Nominal Thread Size: 0.112 inches
Head Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: copper alloy 260 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
BR4B81	Blind Rivet Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-110-7910?

The FSCG of the NSN 5310-01-110-7910 is 5310

Does the NSN 5310-01-110-7910 have a Schedule B code assigned?

Yes, the Schedule B code is 7415290000

Does NSN 5310-01-110-7910 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 5310-01-110-7910 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-110-7910 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 5310-01-110-7910 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Mon, Apr 6, 1981