The O-Ring, cataloged under National Stock Number 5331-00-833-1429, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-833-1429 |
| Primary Part Number | MS28775-137 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Outside Diameter | 2.256 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Center Hole Diameter | 2.040 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Elongation Percentage | 160 MAXIMUM |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS28775-137 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 195076 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| 287MR003P038 | Raytheon Company Div Corp (USA) |
| 127606637 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| MS28775-137 | Pneu-Draulics, Incorporated Dba Pneu-Draulics Inc (USA) |
| MS28775-137 | Seals & Packings, Llc (USA) |
| MS28775-137 | Rtx Corp (USA) |
| MS28775-137 | Parco, Llc (USA) |
| 10075538 | Nimikkeistokeskus Ncb Finland (FIN) |
| SAE-AS28775 | Sae International Dba Sae International (USA) |
| 5331PL0809650 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 230079067 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
NSN 5331-00-833-1429 is a O-Ring, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-833-1429 has 12 cross-referenced part numbers: MS28775-137 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 195076 (Eaton Aerospace, Llc Dba Jackson South), 287MR003P038 (Raytheon Company Div Corp), 127606637 (Leonardo S.p.a. - Electronics Division - Defence Business Area), MS28775-137 (Pneu-Draulics, Incorporated Dba Pneu-Draulics Inc) and 7 more.
There are 5 known substitutes for 5331-00-833-1429: 5331-00-003-6690, 5331-00-224-4699, 5331-01-287-4822 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS28775-137: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Outside Diameter: 2.256 INCHES NOMINAL IN; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Center Hole Diameter: 2.040 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-833-1429 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.