Aerospace Hardware Store

Aerospace

Hardware

5331-01-545-0521

Ring O-Ring 0.523

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

F235A017-606
5325-01-570-6768
Turnlock Fastener Stud
F235A017-607
5325-00-901-4522
Turnlock Fastener Stud
F235A017-8
5325-01-411-6388
Turnlock Fastener Stud
F235A029-202
5325-01-046-1251
Turnlock Fastener Stud
F235A030-1
5325-00-530-0837
Snapslide Fastener Post
F235A030-10
5325-00-530-0618
Snapslide Fastener Stud
F235A032-7
5325-01-464-4150
Turnlock Fastener Stud Assembly
F235A059-14222
5305-01-216-6622
Panel Screw Assembly

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
Ring O-Ring 0.523
(NSN) National Stock Number
5331-01-545-0521
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5331 O-Ring
(INC) Item Name Code
77777
(FIIG) Federal Item Identification Guide
A23900
Date
10/31/2006 (19 years ago)

material will be in accordance with navicp activity hx quality control, manufacturing and testing specifications reference number differentiating characteristics, zzzy criticality code justification

Specs & Compatibility

Criticality Code Justification

zzzy

Reference Number Differentiating Characteristics

material will be in accordance with navicp activity hx quality control, manufacturing and testing specifications

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
Y

The item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restrictions 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

1858807

Related Hardware Products

Part Number Description
820-5347922-523 Ring O-Ring 0.523

Frequently Asked Questions

What is the FSCG of the NSN 5331-01-545-0521?
The FSCG of the NSN 5331-01-545-0521 is 5331
Does NSN 5331-01-545-0521 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 5331-01-545-0521 contain precious materials?
Item does not contain precious metal.
Does NSN 5331-01-545-0521 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 5331-01-545-0521 was assigned to the Federal Catalog?
It was assigned 19 years ago, on Tue, Oct 31, 2006