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1663-3 Keyway Washer

5310-00-564-0397

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Machine Thread Plug
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Official Item Classification

Name
Keyway Washer
Part Number
1663-3
(NSN) National Stock Number
5310-00-564-0397
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
06158
(FIIG) Federal Item Identification Guide
A022B0
Date
01/01/1963 (63 years ago)

3 external keyway quantity, 0.625 inches nominal outside diameter, 0.505 inches nominal hole diameter, 0.015 inches nominal external keyway length, 0.188 inches nominal external keyway width

Specs & Compatibility

Hole Diameter

0.505 inches nominal

Outside Diameter

0.625 inches nominal

External Keyway Length

0.015 inches nominal

External Keyway Width

0.188 inches nominal

External Keyway Quantity

3

Material Thickness

0.036 inches nominal

Hardness Rating

68.0 rockwell a minimum or 70.0 rockwell a maximum

Material

steel comp 1040 or steel comp 1045 or steel comp 1050 overall

Material Document And Classification

aisi assn std all material responses overall

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

0006158

Related Hardware Products

Part Number Description
1663-3 Keyway Washer
1P230 Keyway Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-564-0397?
The FSCG of the NSN 5310-00-564-0397 is 5310
Does the NSN 5310-00-564-0397 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-00-564-0397 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 5310-00-564-0397 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-564-0397 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 5310-00-564-0397 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963