5310-00-947-6980

Find complete technical information, availability, and procurement data for: 5310-00-947-6980
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-947-6980

Item Name Code

14218

Assigment Date

03/30/1966 (60 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.

1.045 inches minimum and 1.070 inches maximum outside diameter, steel comp 1050 or steel comp 1551 or steel comp 1552 or steel comp 1053 or steel comp 1055 or steel comp 1060 overall material, 0.256 inches minimum and 0.267 inches maximum hole diameter, 0.037 inches minimum and 0.045 inches maximum material thickness, 40.0 rockwell c minimum and 50.0 rockwell c maximum hardness rating

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: 1.045 inches minimum and 1.070 inches maximum
Material Thickness: 0.037 inches minimum and 0.045 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 1552 or steel comp 1053 or steel comp 1055 or steel comp 1060 overall
Material Document And Classification: 66 fed std all material responses 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 external and internal teeth
Nondefinitive Spec/Std Data: 3 type and 1 style or 2 style and 1 composition

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
MS45904-71	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-947-6980?

The FSCG of the NSN 5310-00-947-6980 is 5310

Does the NSN 5310-00-947-6980 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-00-947-6980 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 5310-00-947-6980 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-947-6980 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 5310-00-947-6980 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Mar 30, 1966