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5310-01-043-5268

Key Washer

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Official Item Classification

Name
Key Washer
(NSN) National Stock Number
5310-01-043-5268
(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
06/25/1977 (49 years ago)

3.896 inches nominal hole diameter, 1.844 inches nominal distance from centerline to top of internal key, 0.355 inches nominal internal straight key width, 5.440 inches nominal outside diameter, 1 internal key quantity

Specs & Compatibility

Hole Diameter

3.896 inches nominal

Outside Diameter

5.440 inches nominal

Internal Straight Key Width

0.355 inches nominal

Distance From Centerline To Top Of Internal Key

1.844 inches nominal

Internal Key Quantity

1

Material Thickness

0.185 inches nominal

Hardness Rating

89.0 rockwell superficial 15-n minimum and 91.0 rockwell superficial 15-n maximum

Surface Finish

63.0 microinches bottom

Surface Finish

63.0 microinches top

Material

steel comp 1015 and steel comp 1025 overall

Material Document And Classification

qq-s-631 fed spec single material response or qq-s-634 fed spec single material response overall

Style Designator

key

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
11674371 Key Washer
5310010435268 Key Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-043-5268?
The FSCG of the NSN 5310-01-043-5268 is 5310
Does the NSN 5310-01-043-5268 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-01-043-5268 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 5310-01-043-5268 contain precious materials?
Precious metal content is unknown
Does NSN 5310-01-043-5268 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 5310-01-043-5268 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Sat, Jun 25, 1977