12282040

View detailed technical data, stock status, and sourcing information for: 12282040
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-078-1200

Item Name Code

15931

Assigment Date

06/09/1979 (47 years ago)

A generally flat item varied in shape with or without a centrally located hole, designed to hold seals in place. It must have drilled and/or tapped holes for mounting purposes. Excludes:cover, access, shim and spacer, plate. See also flange (as modified).

0.625 inches nominal material thickness, steel comp 4140 overall material, 2.250 inches nominal outside diameter, m1,xm1 tank end item identification, 0.620 inches nominal 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: 0.620 inches nominal
Outside Diameter: 2.250 inches nominal
Material Thickness: 0.625 inches nominal
End Item Identification: m1,xm1 tank
Material: steel comp 4140 overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: mil-c-81562a,type 2,class 2 mil spec single treatment response overall
Style Designator: convex

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
12282040	Convex Washer

FAQs

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

What is the FSCG of the NSN 5310-01-078-1200?

The FSCG of the NSN 5310-01-078-1200 is 5310

Does the NSN 5310-01-078-1200 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-078-1200 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 5310-01-078-1200 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-078-1200 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 5310-01-078-1200 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Sat, Jun 9, 1979