The O-Ring, cataloged under National Stock Number 5331-00-297-9986, 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. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 36 commercial cross-references from 21 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-297-9986 |
| Primary Part Number | MS28775-329 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Center Hole Diameter | 1.965 INCHES MINIMUM AND 1.985 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN |
| Outside Diameter | 2.367 INCHES MINIMUM AND 2.423 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE |
| Temp Rating | 275.0 FAHRENHEIT DEGF |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8053-14 | Zf Industrieantriebe Witten Gmbh (DEU) |
| MS28775-329 PRIMARY | Sae International Dba Sae International (USA) |
| SR 832-75-329 | Stillman Seal Corporation Div Stillman Seal Corperation (USA) |
| AN6227B32 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| 7377-329 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 2-329 N304-75 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| AS28775-329 | Society of Automotive Engineers Inc (USA) |
| 5331PL2123227 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| P48026-329 | Acushnet Rubber Company, Inc. Dba Precix (USA) |
| AN6227-32 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| 137616163 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| AN-6227-32 | Chicago Gasket Co (USA) |
| 7261663 ITEM NO 5 | Naval Sea Systems Command (USA) |
| W 4072 784 AL | Rheinmetall Air Defence Ag (CHE) |
| 28775-329 | Society of Automotive Engineers Inc (USA) |
| MS28775-329 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 1446-329 | Parker-Hannifin Corporation Div O-Ring Division (USA) |
| MS28775-329 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| N0304 2-329 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| AN6227-32 | Zf Industrieantriebe Witten Gmbh (DEU) |
NSN 5331-00-297-9986 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-297-9986 has 36 cross-referenced part numbers: 8053-14 (Zf Industrieantriebe Witten Gmbh), MS28775-329 (Sae International Dba Sae International), SR 832-75-329 (Stillman Seal Corporation Div Stillman Seal Corperation), AN6227B32 (Aeronautical Standards Group Dept of Navy and Air Force), 7377-329 (Parker Hannifin Corporation Div O-Ring Division) and 31 more.
There is 1 known substitute for 5331-00-297-9986: 5331-00-194-3710. Verify interchangeability with system specifications before substitution.
Key specifications for MS28775-329: Center Hole Diameter: 1.965 INCHES MINIMUM AND 1.985 INCHES MAXIMUM IN; Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Outside Diameter: 2.367 INCHES MINIMUM AND 2.423 INCHES MAXIMUM IN; Material Document and Classification: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-297-9986 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.