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56313 Lock Washer

5310-00-421-9155

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

150-407GPC431
5310-00-369-2787
Round Plain Nut
150-407KPC421
3020-00-468-0095
Pinion
150-407KPC425-438
5365-00-468-0100
Special Spacer
150-407KPC431
5310-00-369-2787
Round Plain Nut
150-4080
5315-01-305-9377
Spring Pin
150-4086
5305-01-505-8932
Machine Screw
150-408GPC412
5330-00-231-3332
Gasket
150-408GPC412 NON-ASBESTOS
5330-01-375-2900
Gasket

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Official Item Classification

Name
Lock Washer
Part Number
56313
(NSN) National Stock Number
5310-00-421-9155
(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
12/21/1970 (55 years ago)

steel overall material, 0.016 inches minimum and 0.022 inches maximum material thickness, 0.270 inches minimum and 0.280 inches maximum outside diameter, cadmium overall surface treatment, 0.129 inches minimum and 0.136 inches maximum hole diameter

Specs & Compatibility

Hole Diameter

0.129 inches minimum and 0.136 inches maximum

Outside Diameter

0.270 inches minimum and 0.280 inches maximum

Material Thickness

0.016 inches minimum and 0.022 inches maximum

Material

steel overall

Surface Treatment

cadmium overall

Surface Treatment Document And Classification

5023610 mfr ref single treatment response overall

Style Designator

flat external teeth

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

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

Hazardous Metals Indicator
N

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
56313 Lock Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-421-9155?
The FSCG of the NSN 5310-00-421-9155 is 5310
Does the NSN 5310-00-421-9155 have a Schedule B code assigned?
Yes, the Schedule B code is 7318210000
Does NSN 5310-00-421-9155 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 5310-00-421-9155 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-421-9155 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 5310-00-421-9155 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Mon, Dec 21, 1970