Aerospace Hardware Store

Aerospace

Hardware

4E12 Lock Washer

5310-00-010-3326

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

4444680
4730-01-680-0057
Pipe Flange
4444682
5305-01-680-6372
Socket Head Cap Screw
4444683
5365-01-680-5032
Plate Spacer
4444685
5310-01-664-5083
Flat Washer
4444686
5305-01-478-3007
Machine Screw
4444687
5330-01-680-5478
Metal Seal Ring
4444688
5330-01-680-4828
Preformed Packing Back-up Ring
4444689
5330-01-680-4820
Metal Seal Ring

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
Part Number
4E12
(NSN) National Stock Number
5310-00-010-3326
(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
01/01/1961 (65 years ago)

0.763 inches minimum and 0.783 inches maximum hole diameter, steel comp 1060 or steel comp 1561 or steel comp 1064 or steel comp 1065 or steel comp 1566 or steel comp 1069 or steel comp 1070 or steel comp 1071 or steel comp 1572 or steel comp 1074 or steel comp 1075 or steel comp 1078 or steel comp 1080 overall material, 0.188 inches minimum and 0.198 inches maximum material thickness, 1.271 inches maximum outside diameter, 45.0 rockwell c minimum and 53.0 rockwell c maximum hardness rating

Specs & Compatibility

Hole Diameter

0.763 inches minimum and 0.783 inches maximum

Outside Diameter

1.271 inches maximum

Material Thickness

0.188 inches minimum and 0.198 inches maximum

Hardness Rating

45.0 rockwell c minimum and 53.0 rockwell c maximum

Material

steel comp 1060 or steel comp 1561 or steel comp 1064 or steel comp 1065 or steel comp 1566 or steel comp 1069 or steel comp 1070 or steel comp 1071 or steel comp 1572 or steel comp 1074 or steel comp 1075 or steel comp 1078 or steel comp 1080 overall

Style Designator

split helical-right hand

Nondefinitive Spec/Std Data

2 style and a class

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
103326 Lock Washer
130MAW1 Lock Washer
305915 Lock Washer
34813S Lock Washer
43-9533-500-070 Lock Washer
4E12 Lock Washer
7435-84C Lock Washer
7435-93A Lock Washer
805063 Lock Washer
BB5109 Lock Washer
C1542 Lock Washer
L34 Lock Washer
MS35338-13 Lock Washer
P910 Lock Washer
Q1927 Lock Washer
T143 Lock Washer
WA112 Lock Washer
X113 Lock Washer
X711 Lock Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-010-3326?
The FSCG of the NSN 5310-00-010-3326 is 5310
Does the NSN 5310-00-010-3326 have a Schedule B code assigned?
Yes, the Schedule B code is 7318210000
Does NSN 5310-00-010-3326 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 5310-00-010-3326 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-010-3326 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 5310-00-010-3326 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961