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5310-01-445-6877

Concave Washer

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Official Item Classification

Name
Concave Washer
(NSN) National Stock Number
5310-01-445-6877
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
15930
(FIIG) Federal Item Identification Guide
A022B0
Date
06/10/1997 (29 years ago)

40.0 rockwell c minimum and 43.0 rockwell c maximum hardness rating, 0.070 inches minimum and 0.090 inches maximum material thickness, 0.358 inches minimum and 0.368 inches maximum hole diameter, 0.360 inches minimum and 0.380 inches maximum radius, 0.557 inches minimum and 0.567 inches maximum outside diameter

Specs & Compatibility

Hole Diameter

0.358 inches minimum and 0.368 inches maximum

Radius

0.360 inches minimum and 0.380 inches maximum

Outside Diameter

0.557 inches minimum and 0.567 inches maximum

Material Thickness

0.070 inches minimum and 0.090 inches maximum

Hardness Rating

40.0 rockwell c minimum and 43.0 rockwell c maximum

Material

steel comp 631 or steel comp 630 overall

Material Document And Classification

ams 5643 assn std single material response or ams 5528 assn 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

concave

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0015930

Related Hardware Products

Part Number Description
03A350CC4CB Concave Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-445-6877?
The FSCG of the NSN 5310-01-445-6877 is 5310
Does the NSN 5310-01-445-6877 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-01-445-6877 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 5310-01-445-6877 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-445-6877 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 5310-01-445-6877 was assigned to the Federal Catalog?
It was assigned 29 years ago, on Tue, Jun 10, 1997