Aerospace Hardware Store

Aerospace

Hardware

RLA21SM4.213 Lock Washer

5310-00-059-8374

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

10105650
5325-00-866-4202
Turnlock Fastener Stud Assembly
10105663
5305-00-928-0322
Machine Screw
10105685
5330-00-805-3477
Gasket
10105693
5340-00-934-8236
Loop Clamp
101056X
5330-01-049-0548
Preformed Packing
101057
4730-01-666-5390
Tube to Boss Straight Adapter
10105714
5305-00-060-8971
Machine Screw
10105719
5970-00-996-9275
Electrical Insulation Sleeving

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
RLA21SM4.213
(NSN) National Stock Number
5310-00-059-8374
(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
06/08/1967 (59 years ago)

0.298 inches nominal shoulder diameter, steel corrosion resisting overall material, 0.354 inches nominal outside diameter, 0.057 inches minimum and 0.067 inches maximum overall height, 0.213 inches minimum and 0.216 inches maximum hole diameter

Specs & Compatibility

Hole Diameter

0.213 inches minimum and 0.216 inches maximum

Shoulder Diameter

0.298 inches nominal

Outside Diameter

0.354 inches nominal

Overall Height

0.057 inches minimum and 0.067 inches maximum

Material

steel corrosion resisting overall

Material Document And Classification

qq-s-763 class 7. type a fed spec single material response overall

Surface Treatment

passivate overall

Style Designator

serrated and shouldered

Replacement For

Part Number Description
5310-00-055-7689 No Name Available 12/15/1967

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.

Source of Supply Code

S9I

Pseudo Item Name Code

0014218

Related Hardware Products

Part Number Description
12Z3002-5 Lock Washer
RLA21SM4.213 Lock Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-059-8374?
The FSCG of the NSN 5310-00-059-8374 is 5310
Does the NSN 5310-00-059-8374 have a Schedule B code assigned?
Yes, the Schedule B code is 7318210000
Does NSN 5310-00-059-8374 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 5310-00-059-8374 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-059-8374 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 5310-00-059-8374 was assigned to the Federal Catalog?
It was assigned 59 years ago, on Thu, Jun 8, 1967