The O-Ring, cataloged under National Stock Number 5331-01-289-4421, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Alfa Laval Inc. This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-Ring (FSG 53) |
| Manufacturers | Alfa Laval Inc (CAGE 71871) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-289-4421 |
| Primary Part Number | 7318000 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Alfa Laval Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 223410 ARTICLE 73180 | Alfa Laval Inc (USA) |
| 73180 | Alfa Laval Inc (USA) |
| 7318000 PRIMARY | Alfa Laval Inc (USA) |
| 99139278 | Alfa Laval Inc (USA) |
NSN 5331-01-289-4421 is a O-Ring, manufactured by Alfa Laval Inc, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-289-4421 has 4 cross-referenced part numbers: 223410 ARTICLE 73180 (Alfa Laval Inc), 73180 (Alfa Laval Inc), 7318000 (Alfa Laval Inc), 99139278 (Alfa Laval Inc).
There are 4 known substitutes for 5331-01-289-4421: 5805-00-405-0421, 5930-00-581-4280, 5365-00-680-3166 and 1 more. Verify interchangeability with system specifications before substitution.