Aerospace Hardware Store

Aerospace

Hardware

5331-01-722-3521

O-Ring

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

PWA51207-3
5305-01-067-9090
Thumbscrew
PWA51207-5
5310-01-058-6072
Round Plain Nut
PWA51222-10
5305-01-358-0561
Machine Screw
PWA51225-3
5315-01-368-6179
Quick Release Pin
PWA51249-6
5306-01-068-4115
Externally Relieved Body Bolt
PWA51261-21
5306-01-058-6048
Eye Bolt
PWA51261-25
4030-01-100-8707
S Chain Hook
PWA51261-27
5305-01-107-5163
Hexagon Head Cap Screw

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
O-Ring
(NSN) National Stock Number
5331-01-722-3521
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5331 O-Ring
(INC) Item Name Code
47946
(FIIG) Federal Item Identification Guide
A510X0
Date
07/24/2024 (2 years ago)

0-ring part name assigned by controlling agency

Specs & Compatibility

Part Name Assigned By Controlling Agency

0-ring

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

0047946

Related Hardware Products

Part Number Description
R988012505 O-Ring

Frequently Asked Questions

What is the FSCG of the NSN 5331-01-722-3521?
The FSCG of the NSN 5331-01-722-3521 is 5331
Does NSN 5331-01-722-3521 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 5331-01-722-3521 contain precious materials?
Item does not contain precious metal.
Does NSN 5331-01-722-3521 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 5331-01-722-3521 was assigned to the Federal Catalog?
It was assigned 2 years ago, on Wed, Jul 24, 2024