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3W00521-101 Key Washer

5310-01-136-0308

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Official Item Classification

Name
Key Washer
Part Number
3W00521-101
(NSN) National Stock Number
5310-01-136-0308
(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
08/03/1982 (44 years ago)

2.140 inches nominal outside diameter, 1.550 inches nominal external prebent key width, 1.147 inches minimum and 1.160 inches maximum hole diameter, 0.540 inches nominal external prebent key length, 1.182 inches nominal distance from centerline to inside of prebent key

Specs & Compatibility

Hole Diameter

1.147 inches minimum and 1.160 inches maximum

Outside Diameter

2.140 inches nominal

External Prebent Key Length

0.540 inches nominal

External Prebent Key Width

1.550 inches nominal

Distance From Centerline To Inside Of Prebent Key

1.182 inches nominal

Overall Distance Including Keys

3.280 inches nominal

Material Thickness

0.180 inches nominal

Special Features

groove 0.250 inch deep,1.36 inch long on the end of the external key

Material

steel comp 4130 overall

Material Document And Classification

mil-s-18729,cond a mil spec single material response overall

Style Designator

key

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

0001869

Related Hardware Products

Part Number Description
3W00521-101 Key Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-136-0308?
The FSCG of the NSN 5310-01-136-0308 is 5310
Does the NSN 5310-01-136-0308 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-01-136-0308 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 5310-01-136-0308 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-136-0308 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 5310-01-136-0308 was assigned to the Federal Catalog?
It was assigned 44 years ago, on Tue, Aug 3, 1982