The O-Ring, cataloged under National Stock Number 5331-00-291-3077, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 39 commercial cross-references from 32 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-291-3077 |
| Primary Part Number | MS29513-238 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Outside Diameter | 3.730 INCHES MINIMUM AND 3.794 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Center Hole Diameter | 3.469 INCHES MINIMUM AND 3.499 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS29513-238 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| GHN10095-105 | Lockheed Martin Corp (USA) |
| 2-238S469-4 | Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division (USA) |
| 3013870 | Embraer Empresa Brasileira De Aeronautica Sa (BRA) |
| PRP909-16 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 2-238 N602-70 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| PX1775-238 | Acushnet Rubber Company, Inc. Dba Precix (USA) |
| 1866-10 | Potter Fire Escape Co (USA) |
| 5331PL0805331 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| AS29513-238 | Society of Automotive Engineers Inc (USA) |
| N906 | Syltone Industries Llc Dba Gardner Denver Inc. Div Emco Wheaton (USA) |
| RT253-65-238 | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA) |
| 287-1173P238 | Raytheon Company Div Corp (USA) |
| 2-238S469-4 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 238C69 | Federal-Mogul Corp Chassis Products Div (USA) |
| SR-822A-60-238 | Stillman Seal Corporation Div Stillman Seal Corperation (USA) |
| 287-1173P238 | Raytheon Company (USA) |
| MS29513-238 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 457-60-238 | Parco, Llc (USA) |
| 7866-238 | Parker Hannifin Corporation Div O-Ring Division (USA) |
NSN 5331-00-291-3077 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-291-3077 has 39 cross-referenced part numbers: MS29513-238 (Leonardo Spa Helicopters Division - Production Site), GHN10095-105 (Lockheed Martin Corp), 2-238S469-4 (Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division), 3013870 (Embraer Empresa Brasileira De Aeronautica Sa), PRP909-16 (Parker Hannifin Corporation Div O-Ring Division) and 34 more.
There are 12 known substitutes for 5331-00-291-3077: 5365-00-036-3400, 5940-00-280-3895, 5365-00-291-7901 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS29513-238: Outside Diameter: 3.730 INCHES MINIMUM AND 3.794 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 3.469 INCHES MINIMUM AND 3.499 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-291-3077 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.