Aerospace Hardware Store

Aerospace

Hardware
  1. Home /
  2. Hardware Catalog /
  3. Nuts and Washers /
  4. 5310-01-523-2978

5310-01-523-2978

Lock Washer

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

Request for Quote

Send us a request for quote using the form below. Our team will promptly provide you with the latest pricing and availability details.

AS9120 ISO9001 Aviation Suppliers Association Global Shipping

Featured Parts

MILSTD421-60-14C2CLA
3020-00-222-2664
Roller Chain Link
MILSTD421-60-2CLA
3020-00-231-8714
Roller Chain Link
MILSTD421-601RC1CLA
3020-00-267-1881
Roller Chain Link
MILSTD421140-1RC1CL
3020-00-239-8234
Roller Chain Link
MILSTD42125-1RCA
3020-00-903-4073
Roller Chain
MILSTD421CHAIN120-1RC
3020-00-288-2631
Roller Chain
MILSTD421CHAIN40-1RCA
3020-00-630-6833
Roller Chain
MILSTD618
4010-00-057-2689
Stud Link Chain

Need Assistance?

Our catalog is extensive, but we understand that sometimes specific needs might not be immediately available. If you could not find the exact products you were searching for, we are here to help!

Contact us directly, and our team will assist you in finding the perfect solution for your requirements.

Contact Us

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

  • Genuine Manufacturers Parts
  • 100% Product Inspection
  • 7 Year Sales Record Retention
  • Fast On-Time Delivery
  • HAZMAT Certified
  • Global Shipping

Official Item Classification

Name
Lock Washer
(NSN) National Stock Number
5310-01-523-2978
(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
08/27/2004 (22 years ago)

0.047 inches nominal material thickness, 0.334 inches maximum outside diameter, 0.193 inches minimum and 0.200 inches maximum hole diameter, steel overall material, cadmium or zinc overall surface treatment

Specs & Compatibility

Hole Diameter

0.193 inches minimum and 0.200 inches maximum

Outside Diameter

0.334 inches maximum

Material Thickness

0.047 inches nominal

Material

steel overall

Surface Treatment

cadmium or zinc overall

Style Designator

split helical-right hand

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

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
NASM35338-43 Lock Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-523-2978?
The FSCG of the NSN 5310-01-523-2978 is 5310
Does the NSN 5310-01-523-2978 have a Schedule B code assigned?
Yes, the Schedule B code is 7318210000
Does NSN 5310-01-523-2978 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 5310-01-523-2978 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-523-2978 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 5310-01-523-2978 was assigned to the Federal Catalog?
It was assigned 22 years ago, on Fri, Aug 27, 2004