The O-Ring, cataloged under National Stock Number 5331-01-189-6521, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-Ring (FSG 53) |
| Manufacturers | Sae International Dba Sae International (CAGE 0U583); Parker-Hannifin Corp Div O-Ring Division (CAGE 02697); Ametek Inc Div Aerospace and Defense (CAGE 97424); American Society for Testing and Materials Dba Astm International (CAGE 81346); Society of Automotive Engineers Inc (CAGE 81343) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-189-6521 |
| Primary Part Number | AS568B-120 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS568B-120 PRIMARY | Sae International Dba Sae International (USA) |
| 2-120N103-70 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 6311K12P021 PRIMARY | Ametek Inc Div Aerospace and Defense (USA) |
| D2000-04 | American Society for Testing and Materials Dba Astm International (USA) |
| AS568B-120 | Society of Automotive Engineers Inc (USA) |
NSN 5331-01-189-6521 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-189-6521 has 5 cross-referenced part numbers: AS568B-120 (Sae International Dba Sae International), 2-120N103-70 (Parker-Hannifin Corp Div O-Ring Division), 6311K12P021 (Ametek Inc Div Aerospace and Defense), D2000-04 (American Society for Testing and Materials Dba Astm International), AS568B-120 (Society of Automotive Engineers Inc).
There are 3 known substitutes for 5331-01-189-6521: 5331-00-111-7407, 5331-00-127-7199, 5331-01-006-2770. Verify interchangeability with system specifications before substitution.