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61-70661-0002 Lock Washer

5310-00-579-5554

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Official Item Classification

Name
Lock Washer
Part Number
61-70661-0002
(NSN) National Stock Number
5310-00-579-5554
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
14218
(FIIG) Federal Item Identification Guide
A022B0
Date
01/01/1963 (63 years ago)

0.089 inches minimum and 0.095 inches maximum hole diameter, 0.175 inches minimum and 0.200 inches maximum outside diameter, 0.010 inches minimum and 0.015 inches maximum material thickness, 40.0 rockwell c minimum and 50.0 rockwell c maximum hardness rating, steel comp 1050 or steel comp 1551 or steel comp 1059 or steel comp 1060 or steel comp 1561 or steel comp 1064 overall material

Specs & Compatibility

Hole Diameter

0.089 inches minimum and 0.095 inches maximum

Outside Diameter

0.175 inches minimum and 0.200 inches maximum

Material Thickness

0.010 inches minimum and 0.015 inches maximum

Hardness Rating

40.0 rockwell c minimum and 50.0 rockwell c maximum

Material

steel comp 1050 or steel comp 1551 or steel comp 1059 or steel comp 1060 or steel comp 1561 or steel comp 1064 overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

qq-p-416,ty 2,cl 3 fed spec single treatment response overall

Style Designator

flat internal teeth

Nondefinitive Spec/Std Data

a type

Replacement For

Part Number Description
5310-00-061-5138 No Name Available 01/01/1961
5310-00-116-5841 No Name Available 03/07/1969
5310-00-167-0873 No Name Available 01/01/1963
5310-00-440-9941 No Name Available 02/19/1971
5310-00-475-2577 No Name Available 07/23/1969
5310-00-515-8704 No Name Available 06/01/1976
5310-01-076-0239 No Name Available 06/01/1986

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

0014218

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Frequently Asked Questions

What is the FSCG of the NSN 5310-00-579-5554?
The FSCG of the NSN 5310-00-579-5554 is 5310
Does the NSN 5310-00-579-5554 have a Schedule B code assigned?
Yes, the Schedule B code is 7318210000
Does NSN 5310-00-579-5554 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 5310-00-579-5554 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-579-5554 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 5310-00-579-5554 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963