WC22-12

View detailed technical data, stock status, and sourcing information for: WC22-12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-843-4636

Item Name Code

15933

Assigment Date

01/01/1962 (64 years ago)

39.0 rockwell c minimum and 43.0 rockwell c maximum hardness rating, 0.903 inches minimum and 0.913 inches maximum recess diameter, 1.518 inches minimum and 1.528 inches maximum outside diameter, 0.071 inches minimum and 0.085 inches maximum material thickness, 0.752 inches minimum and 0.756 inches maximum hole diameter

Product Characteristics

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

Hole Diameter: 0.752 inches minimum and 0.756 inches maximum
Outside Diameter: 1.518 inches minimum and 1.528 inches maximum
Recess Diameter: 0.903 inches minimum and 0.913 inches maximum
Material Thickness: 0.071 inches minimum and 0.085 inches maximum
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum
Recess Angle: 90.0 degrees nominal
Material: steel comp 4130 or steel comp 1050 overall
Material Document And Classification: mil-s-6758 mil spec 1st material response or mil-s-18729 mil spec 1st material response or ams 5085 assn std 2nd material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response overall
Style Designator: recessed

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-938-6364	No Name Available	01/01/1977

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
102B5408	Recessed Washer
219E951P40	Recessed Washer
WC22-12	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-843-4636?

The FSCG of the NSN 5310-00-843-4636 is 5310

Does the NSN 5310-00-843-4636 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-843-4636 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 5310-00-843-4636 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-843-4636 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 5310-00-843-4636 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962