CPP2028A001B7161

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-042-4228

Item Name Code

14218

Assigment Date

01/01/1961 (65 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.

0.448 inches minimum and 0.464 inches maximum hole diameter, 0.032 inches minimum and 0.040 inches maximum material thickness, copper alloy overall material, 0.740 inches minimum and 0.789 inches maximum outside diameter, qq-b-746 fed spec single material response overall material document and classification

Product Characteristics

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

Hole Diameter: 0.448 inches minimum and 0.464 inches maximum
Outside Diameter: 0.740 inches minimum and 0.789 inches maximum
Material Thickness: 0.032 inches minimum and 0.040 inches maximum
Material: copper alloy overall
Material Document And Classification: qq-b-746 fed spec single material response 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-685-2394	No Name Available	01/01/1960
5310-00-697-9401	No Name Available	06/01/1976

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
1922-01	Lock Washer
1922-07	Lock Washer
2190-0102	Lock Washer
CPP2028A001B7161	Lock Washer
MS35333-111	Lock Washer
T7615642P91	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-042-4228?

The FSCG of the NSN 5310-00-042-4228 is 5310

Does the NSN 5310-00-042-4228 have a Schedule B code assigned?

Yes, the Schedule B code is 7415210000

Does NSN 5310-00-042-4228 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 5310-00-042-4228 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-042-4228 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 5310-00-042-4228 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961