B1141-3

View detailed technical data, stock status, and sourcing information for: B1141-3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-262-3000

Item Name Code

13393

Assigment Date

01/01/1963 (63 years ago)

0.062 inches nominal thickness, rectangular cross-sectional shape style, round peripheral shape style, round center hole shape style, 0.531 inches minimum and 0.537 inches maximum hole diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.531 inches minimum and 0.537 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.062 inches nominal
Overall Diameter: 0.750 inches nominal
Material: copper overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-118-3037	No Name Available	01/01/1983
5310-00-194-0875	No Name Available	06/01/1976
5310-00-205-8014	Flat Washer	07/01/2025
5310-00-205-8972	No Name Available	10/01/1978
5330-00-297-2462	No Name Available	12/01/1975
5310-00-359-6451	No Name Available	10/01/1978
5330-00-362-8786	No Name Available	12/01/1975
5310-00-428-2758	No Name Available	01/01/1963
5330-00-530-8281	No Name Available	01/01/1963
2520-00-933-0655	No Name Available	05/02/1967

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
11382A	Flat Washer
1522881	Flat Washer
1P7	Flat Washer
4F9325	Flat Washer
4R41A3	Flat Washer
5308281	Flat Washer
713057	Flat Washer
B1141-3	Flat Washer
H5634	Flat Washer
TP314	Flat Washer
X1026T2	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-262-3000?

The FSCG of the NSN 5310-00-262-3000 is 5310

Does the NSN 5310-00-262-3000 have a Schedule B code assigned?

Yes, the Schedule B code is 7415210000

Does NSN 5310-00-262-3000 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 5310-00-262-3000 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-262-3000 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 5310-00-262-3000 was assigned to the Federal Catalog?

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