KR4BZ-BN

View detailed technical data, stock status, and sourcing information for: KR4BZ-BN
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-512-5139

Item Name Code

14218

Assigment Date

01/01/1963 (63 years ago)

0.115 inches minimum and 0.124 inches maximum hole diameter, 0.2087 inches minimum and 0.2177 inches maximum outside diameter, 0.028 inches minimum and 0.034 inches maximum material thickness, copper alloy overall material, black overall color

Product Characteristics

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

Hole Diameter: 0.115 inches minimum and 0.124 inches maximum
Outside Diameter: 0.2087 inches minimum and 0.2177 inches maximum
Material Thickness: 0.028 inches minimum and 0.034 inches maximum
Color: black overall
Material: copper alloy overall
Surface Treatment: nickel overall
Style Designator: split helical-right hand

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
61702430004	Lock Washer
74-43905-1002	Lock Washer
KR4BZ-BN	Lock Washer
KR4BZBN	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-512-5139?

The FSCG of the NSN 5310-00-512-5139 is 5310

Does the NSN 5310-00-512-5139 have a Schedule B code assigned?

Yes, the Schedule B code is 7415210000

Does NSN 5310-00-512-5139 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 5310-00-512-5139 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-512-5139 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 5310-00-512-5139 was assigned to the Federal Catalog?

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