Aerospace Hardware Store

Aerospace

Hardware

5331-00-166-8400

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

167-7379216 PC4
2040-01-611-7518
Marine Structural Hinge Assembly
167-738-428-16
5340-01-659-8276
Synchro Clamp
167-7383776-83
5307-01-721-4851
Continuous Thread Stud
167-7384215
5365-01-677-7707
Ring Spacer
167-7384215-19
5365-01-677-8260
Straight Spacer
167-7384215-21
5365-01-677-7928
Straight Spacer
167-7384215-22
5365-01-677-7707
Ring Spacer
167-7384215-24
5315-01-648-6475
Machine Key

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
5331-00-166-8400
(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
11/19/1971 (54 years ago)

4.159 inches minimum and 4.227 inches maximum outside diameter, 3.959 inches minimum and 4.015 inches maximum center hole diameter, 75.0 shore durometer a nominal hardness rating, 0.100 inches minimum and 0.106 inches maximum cross-sectional height, 125 maximum elongation percentage

Specs & Compatibility

Outside Diameter

4.159 inches minimum and 4.227 inches maximum

Cross-Sectional Height

0.100 inches minimum and 0.106 inches maximum

Center Hole Diameter

3.959 inches minimum and 4.015 inches maximum

Elongation Percentage

125 maximum

Hardness Rating

75.0 shore durometer a nominal

Material

rubber fluorocarbon class fpm

Replacement For

Part Number Description
5330-01-012-5145 No Name Available 09/04/1991
5330-01-049-2222 No Name Available 08/01/1990
5330-01-188-0889 No Name Available 04/01/1986
5330-01-284-3386 No Name Available 06/01/1998
5330-01-311-5965 No Name Available 07/01/1991

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
F

The item is an aviation critical safety item/flight safety critical aircraft part (acsi/fscap).

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

Frequently Asked Questions

What is the FSCG of the NSN 5331-00-166-8400?
The FSCG of the NSN 5331-00-166-8400 is 5331
Does the NSN 5331-00-166-8400 have a Schedule B code assigned?
Yes, the Schedule B code is 4016930000
Does NSN 5331-00-166-8400 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 5331-00-166-8400 contain precious materials?
Item does not contain precious metal.
Does NSN 5331-00-166-8400 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 5331-00-166-8400 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Fri, Nov 19, 1971