5310-01-665-0650

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Lock Washer

Specifications, compliance details, and sourcing options for this NSN. Request a quote to confirm availability, pricing, and lead time.

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Featured Parts

3H1/121 ITEM 50

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Gasket

3H1/121 ITEM 58

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O-Ring

3H1/121 ITEM 69

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Screw Thread Insert

3H1/121 ITEM 72

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Screw Thread Insert

3H10

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Drive Screw

3H10014-5370

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Metal Tube Assembly

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Spring Tension Clip

3H10128-101

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Plate Spacer

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Official Item Classification

Name: Lock Washer
(NSN) National Stock Number: 5310-01-665-0650
(FSG) Federal Supply Group: 53 Hardware and Abrasives
(FSC) Federal Supply Classification: 5310 Nuts and Washers
(INC) Item Name Code: 14218
(FIIG) Federal Item Identification Guide: A022B0
Date: 07/18/2017 (9 years ago)

0.384 inches minimum and 0.398 inches maximum hole diameter, washer, lock internal tooth part name assigned by controlling agency, 0.670 inches minimum and 0.692 inches maximum outside diameter, 0.032 inches minimum and 0.040 inches maximum material thickness, 4930-01-612-3541 end item identification

Specs & Compatibility

Hole Diameter

0.384 inches minimum and 0.398 inches maximum

Outside Diameter

0.670 inches minimum and 0.692 inches maximum

Material Thickness

0.032 inches minimum and 0.040 inches maximum

End Item Identification

4930-01-612-3541

Part Name Assigned By Controlling Agency

washer, lock internal tooth

Material

steel comp 304 overall

Surface Treatment

passivate overall

Style Designator

flat internal teeth

Specification/Standard Data

05047-asmeb18.24-2015 national std/spec

Regulatory Compliance

Precious Metals Indicator

Item does not contain precious metal.

Criticality Code

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0014218

Related Hardware Products

Part Number	Description
AEW11X375000SB8A31	Lock Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-665-0650?

The FSCG of the NSN 5310-01-665-0650 is 5310

Does the NSN 5310-01-665-0650 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-665-0650 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 5310-01-665-0650 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-665-0650 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 5310-01-665-0650 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Tue, Jul 18, 2017