5310-01-191-0455

Find complete technical information, availability, and procurement data for: 5310-01-191-0455
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-191-0455

Item Name Code

15930

Assigment Date

10/05/1984 (41 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 recessed to form a curved or spherical contour. See also washer (1), convex. Excludes:washer (1), recessed and bearing, washer, thrust.

0.177 inches nominal hole diameter, 0.250 inches minimum and 0.252 inches maximum radius, 0.037 inches minimum and 0.043 inches maximum material thickness, 0.5010 inches minimum and 0.5015 inches maximum outside diameter, chamfer outside right coner 45 deg special features

Product Characteristics

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

Hole Diameter: 0.177 inches nominal
Radius: 0.250 inches minimum and 0.252 inches maximum
Outside Diameter: 0.5010 inches minimum and 0.5015 inches maximum
Material Thickness: 0.037 inches minimum and 0.043 inches maximum
Special Features: chamfer outside right coner 45 deg
Material: steel comp 630 overall
Material Document And Classification: ams 5643,cond h1150 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35,ty 2 fed spec single treatment response overall
Style Designator: concave

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
3355178-1	Concave Washer

FAQs

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

What is the FSCG of the NSN 5310-01-191-0455?

The FSCG of the NSN 5310-01-191-0455 is 5310

Does the NSN 5310-01-191-0455 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-191-0455 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 5310-01-191-0455 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-191-0455 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 5310-01-191-0455 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Oct 5, 1984