The O-Ring, cataloged under National Stock Number 5331-00-291-3078, 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 19 commercial cross-references from 17 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-291-3078 |
| Primary Part Number | MS29513-237 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Center Hole Diameter | 3.344 INCHES MINIMUM AND 3.374 INCHES MAXIMUM IN |
| Outside Diameter | 3.637 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Hardness Rating | 65.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 200 MAXIMUM |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C-69-237 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| OR1-237 | Orion S/a (BRA) |
| ASC1497820 | Asc Pty Ltd (AUS) |
| MS29513-237 | Society of Automotive Engineers Inc (USA) |
| 237-C-69 | Federal-Mogul Corp Chassis Products Div (USA) |
| MS29513-237ES | Eriks B.v. (NLD) |
| MS29513-237 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| MS29513-237 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS295113-237 | Parco, Llc (USA) |
| 2-237N865-65 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| SAE AMS-P-5315 | Sae International Dba Sae International (USA) |
| MS29513-237 PRIMARY | Sae International Dba Sae International (USA) |
| SAE-AS29513 | Sae International Dba Sae International (USA) |
| 5331PL0798611 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| MS29513-237 | Zf Industrieantriebe Witten Gmbh (DEU) |
| GS570EM | Northrop Grumman Systems Corporation (USA) |
| MS29513-237 | Goldinger, Bernard Dba Conair Aviation Associates (USA) |
| MS29513-237 | Tecno Trade S.r.l. (ITA) |
| GHN10095-104 | Lockheed Martin Corp (USA) |
NSN 5331-00-291-3078 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-291-3078 has 19 cross-referenced part numbers: C-69-237 (Parker Hannifin Corporation Div O-Ring Division), OR1-237 (Orion S/a), ASC1497820 (Asc Pty Ltd), MS29513-237 (Society of Automotive Engineers Inc), 237-C-69 (Federal-Mogul Corp Chassis Products Div) and 14 more.
There are 3 known substitutes for 5331-00-291-3078: 5331-00-165-1955, 5331-00-641-0119, 5331-01-225-2749. Verify interchangeability with system specifications before substitution.
Key specifications for MS29513-237: Center Hole Diameter: 3.344 INCHES MINIMUM AND 3.374 INCHES MAXIMUM IN; Outside Diameter: 3.637 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-291-3078 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.