137H

View detailed technical data, stock status, and sourcing information for: 137H

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137H
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-012-0423
Item Name Code
14218
Assigment Date
01/01/1963 (63 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

0.460 inches minimum and 0.478 inches maximum outside diameter, qq-s-633,fs1060 to fs1080-cancelled fed spec all material responses overall material document and classification, 0.256 inches minimum and 0.267 inches maximum hole diameter, 0.023 inches minimum and 0.028 inches maximum material thickness, steel overall material

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter
0.256 inches minimum and 0.267 inches maximum
Outside Diameter
0.460 inches minimum and 0.478 inches maximum
Material Thickness
0.023 inches minimum and 0.028 inches maximum
Material
steel overall
Material Document And Classification
qq-s-633,fs1060 to fs1080-cancelled fed spec all material responses overall
Surface Treatment
cadmium or zinc overall
Style Designator
flat internal teeth
Nondefinitive Spec/Std Data
a type

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5310-00-524-9065 No Name Available 05/01/1976
5310-00-596-4902 No Name Available 01/01/1961

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
120423 Lock Washer
137H Lock Washer
1901842 Lock Washer
20-463-1 Lock Washer
34905S7S8 Lock Washer
40753D Lock Washer
53340 Lock Washer
60309-33 Lock Washer
65756 Lock Washer
66893 Lock Washer
7410011 Lock Washer
9E04 Lock Washer
A10235X Lock Washer
A311755 Lock Washer
BB3918 Lock Washer
D117-87 Lock Washer
GP1076-1 Lock Washer
JHP13-435 Lock Washer
PC120423 Lock Washer
S3296C Lock Washer

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-00-012-0423?
The FSCG of the NSN 5310-00-012-0423 is 5310
Does the NSN 5310-00-012-0423 have a Schedule B code assigned?
Yes, the Schedule B code is 7318210000
Does NSN 5310-00-012-0423 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 5310-00-012-0423 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-012-0423 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 5310-00-012-0423 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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