The O-Ring, cataloged under National Stock Number 5331-01-246-3902, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 32 commercial cross-references from 21 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-01-246-3902 |
| Primary Part Number | MS28775-231 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Temp Rating | -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF |
| Outside Diameter | 2.859 INCHES MINIMUM AND 2.915 INCHES MAXIMUM IN |
| Center Hole Diameter | 2.589 INCHES MINIMUM AND 2.629 INCHES MAXIMUM IN |
| Criticality Code Justification | ADYT |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| LL-HX4-9574 | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| 8859324SUB3PT5 | Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA) |
| 2640-980X1PC17 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| N304-7-09 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 0740734 | General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels (CHE) |
| 5331PL0658512 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 287-1005-9 | Raytheon Company (USA) |
| N304-7-9 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| AS28775 | Society of Automotive Engineers Inc (USA) |
| S8-9 | Houghton International Inc. (USA) |
| MS28775-231 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS28775-231 | Society of Automotive Engineers Inc (USA) |
| 546867 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| 1866-9 | Strohmeyer, Julie a. Dba Julie a. Strohmeyer (USA) |
| D11346-1A13 | Chief of Engineers Dept of Army (USA) |
| S1781499 | Westinghouse Electric Corp (USA) |
| N0304 2-231 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| SAE-AS28775 | Sae International Dba Sae International (USA) |
| PS1-30-5-9 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 287-1005-9 | Raytheon Company Dba Raytheon Co (USA) |
NSN 5331-01-246-3902 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-01-246-3902 has 32 cross-referenced part numbers: LL-HX4-9574 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 8859324SUB3PT5 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 2640-980X1PC17 (Electric Boat Corporation Div General Dynamics Electric Boat), N304-7-09 (Parker-Hannifin Corp Div O-Ring Division), 0740734 (General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels) and 27 more.
There are 10 known substitutes for 5331-01-246-3902: 6680-00-027-2972, 5330-00-139-7416, 5330-00-618-0559 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS28775-231: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Temp Rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF; Outside Diameter: 2.859 INCHES MINIMUM AND 2.915 INCHES MAXIMUM IN. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-01-246-3902 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.