BECX2A1

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-019-2300

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.

0.088 inches minimum and 0.097 inches maximum hole diameter, steel overall material, 45.0 rockwell c minimum and 53.0 rockwell c maximum hardness rating, 0.165 inches nominal outside diameter, 0.015 inches minimum and 0.021 inches maximum material thickness

Product Characteristics

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

Hole Diameter: 0.088 inches minimum and 0.097 inches maximum
Outside Diameter: 0.165 inches nominal
Material Thickness: 0.015 inches minimum and 0.021 inches maximum
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum
Material: steel overall
Material Document And Classification: fed std 66,aisi c1060 thru c1080 or sae 1060 thru 1080 mil std single material response overall
Surface Treatment: cadmium or zinc overall
Surface Treatment Document And Classification: qq-p-416,or qq-z-325 fed spec single treatment response overall
Style Designator: split helical-right hand
Nondefinitive Spec/Std Data: 1 style and a class

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-614-3522	No Name Available	01/01/1963
5310-00-723-3231	No Name Available	01/01/1963

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
192300	Lock Washer
4198008-038	Lock Washer
BECX2A1	Lock Washer
MS35337-20	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-019-2300?

The FSCG of the NSN 5310-00-019-2300 is 5310

Does the NSN 5310-00-019-2300 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-00-019-2300 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 5310-00-019-2300 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-019-2300 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 5310-00-019-2300 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963