5310-01-131-6771

Find complete technical information, availability, and procurement data for: 5310-01-131-6771
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-131-6771

Item Name Code

14218

Assigment Date

05/14/1982 (44 years ago)

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is raised to form a curved or spherical contour. See also washer (1), concave. Excludes:bearing, washer thrust.

0.168 inches minimum and 0.178 inches maximum hole diameter, fed std 66 fed std single material response overall material document and classification, 0.040 inches minimum and 0.046 inches maximum material thickness, 0.296 inches maximum outside diameter, steel comp 302 overall material

Product Characteristics

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

Hole Diameter: 0.168 inches minimum and 0.178 inches maximum
Outside Diameter: 0.296 inches maximum
Material Thickness: 0.040 inches minimum and 0.046 inches maximum
Material: steel comp 302 overall
Material Document And Classification: fed std 66 fed std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response 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
9157798-11	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-131-6771?

The FSCG of the NSN 5310-01-131-6771 is 5310

Does the NSN 5310-01-131-6771 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-131-6771 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 5310-01-131-6771 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-131-6771 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 5310-01-131-6771 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Fri, May 14, 1982