Aerospace Hardware Store

Aerospace

Hardware

5331-00-421-4805

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

16972-F
4820-01-254-1507
Safety Relief Valve
16972-F FIG 26QA10-120 113T123
4820-01-254-1507
Safety Relief Valve
169720PC194
5315-00-014-1113
Headless Straight Pin
169720PC261
4820-00-420-3145
Valve Seat
169720PC265
4730-00-212-9951
Pipe Flange
169720PC93
5360-00-216-7699
Flat Spring
169720PC96
5360-00-212-9973
Flat Spring
169725
5365-00-788-1905
Externally Threaded 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
O-Ring
(NSN) National Stock Number
5331-00-421-4805
(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
12/18/1970 (55 years ago)

0.269 inches minimum and 0.281 inches maximum cross-sectional height, 7.195 inches minimum and 7.255 inches maximum center hole diameter, rubber material

Specs & Compatibility

Cross-Sectional Height

0.269 inches minimum and 0.281 inches maximum

Center Hole Diameter

7.195 inches minimum and 7.255 inches maximum

Material

rubber

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

0047946

Related Hardware Products

Part Number Description
5-1696 O-Ring

Frequently Asked Questions

What is the FSCG of the NSN 5331-00-421-4805?
The FSCG of the NSN 5331-00-421-4805 is 5331
Does the NSN 5331-00-421-4805 have a Schedule B code assigned?
Yes, the Schedule B code is 4016930000
Does NSN 5331-00-421-4805 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 5331-00-421-4805 contain precious materials?
Precious metal content is unknown
Does NSN 5331-00-421-4805 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 5331-00-421-4805 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Fri, Dec 18, 1970