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5310-01-160-2056

Spring Tension Washer

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Official Item Classification

Name
Spring Tension Washer
(NSN) National Stock Number
5310-01-160-2056
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
15938
(FIIG) Federal Item Identification Guide
A022B0
Date
08/19/1983 (43 years ago)

0.495 inches minimum and 0.505 inches maximum outside diameter, 0.070 inches minimum and 0.090 inches maximum overall height, 0.255 inches minimum and 0.265 inches maximum hole diameter, 0.007 inches nominal material thickness, 35.0 rockwell c minimum hardness rating

Specs & Compatibility

Hole Diameter

0.255 inches minimum and 0.265 inches maximum

Outside Diameter

0.495 inches minimum and 0.505 inches maximum

Overall Height

0.070 inches minimum and 0.090 inches maximum

Material Thickness

0.007 inches nominal

Hardness Rating

35.0 rockwell c minimum

Material

copper alloy 172 overall

Material Document And Classification

qq-c-533 fed spec single material response overall

Precious Material And Location

all surfaces silver

Precious Material

silver

Surface Treatment

silver and chromate overall

Surface Treatment Document And Classification

qq-s-365,grade a fed spec single treatment response overall

Regulatory Compliance

Precious Metals Indicator
S

Item contains silver.

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

0015938

Related Hardware Products

Part Number Description
5310011602056 Spring Tension Washer
SM-B-374966 Spring Tension Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-160-2056?
The FSCG of the NSN 5310-01-160-2056 is 5310
Does the NSN 5310-01-160-2056 have a Schedule B code assigned?
Yes, the Schedule B code is 7415210000
Does NSN 5310-01-160-2056 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 5310-01-160-2056 contain precious materials?
Item contains silver.
Does NSN 5310-01-160-2056 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 5310-01-160-2056 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Fri, Aug 19, 1983