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5310-00-591-4041

Key Washer

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Official Item Classification

Name
Key Washer
(NSN) National Stock Number
5310-00-591-4041
(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)

0.625 inches nominal hole diameter, 0.062 inches nominal internal prebent key length, 0.125 inches nominal external prebent key width, 0.812 inches nominal outside diameter, 0.125 inches nominal internal prebent key width

Specs & Compatibility

Hole Diameter

0.625 inches nominal

Outside Diameter

0.812 inches nominal

Internal Prebent Key Length

0.062 inches nominal

External Prebent Key Width

0.125 inches nominal

Internal Prebent Key Width

0.125 inches nominal

Overall Distance Including Keys

0.906 inches nominal

External Key Quantity

2

Internal Key Quantity

2

Material Thickness

0.016 inches nominal

Material

steel overall

Style Designator

external and internal pre-bent keys

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

Related Hardware Products

Part Number Description
721069-1 Key Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-591-4041?
The FSCG of the NSN 5310-00-591-4041 is 5310
Does the NSN 5310-00-591-4041 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-00-591-4041 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 5310-00-591-4041 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-591-4041 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 5310-00-591-4041 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963