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321290-1 Key Washer

5310-00-637-4885

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Official Item Classification

Name
Key Washer
Part Number
321290-1
(NSN) National Stock Number
5310-00-637-4885
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
01869
(FIIG) Federal Item Identification Guide
A022B0
Date
01/01/1963 (63 years ago)

0.059 inches minimum and 0.061 inches maximum internal straight key width, 0.615 inches minimum and 0.635 inches maximum outside diameter, 0.117 inches minimum and 0.123 inches maximum external prebent key width, 0.375 inches minimum and 0.379 inches maximum hole diameter, 0.084 inches minimum and 0.104 inches maximum external prebent key length

Specs & Compatibility

Hole Diameter

0.375 inches minimum and 0.379 inches maximum

Outside Diameter

0.615 inches minimum and 0.635 inches maximum

External Prebent Key Length

0.084 inches minimum and 0.104 inches maximum

External Prebent Key Width

0.117 inches minimum and 0.123 inches maximum

Internal Straight Key Width

0.059 inches minimum and 0.061 inches maximum

Distance From Centerline To Top Of Internal Key

0.157 inches minimum and 0.163 inches maximum

Distance From Centerline To Inside Of Prebent Key

0.406 inches minimum and 0.416 inches maximum

Overall Distance Including Keys

0.749 inches minimum and 0.759 inches maximum

Material Thickness

0.031 inches nominal

External Prebent Key Angle

90.0 degrees nominal

Material

copper alloy overall

Surface Treatment

cadmium overall

Surface Treatment Document And Classification

qq-p-416,ty 2,cl 2 fed spec single treatment response overall

Style Designator

key

Replacement For

Part Number Description
5310-00-409-9591 No Name Available 10/01/1979
5310-00-508-7923 No Name Available 01/01/1963
5310-00-527-3257 No Name Available 01/20/1972

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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

0001869

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Frequently Asked Questions

What is the FSCG of the NSN 5310-00-637-4885?
The FSCG of the NSN 5310-00-637-4885 is 5310
Does the NSN 5310-00-637-4885 have a Schedule B code assigned?
Yes, the Schedule B code is 7415210000
Does NSN 5310-00-637-4885 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 5310-00-637-4885 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-637-4885 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 5310-00-637-4885 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963