The O-Ring, cataloged under National Stock Number 5331-01-249-0492, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Leonardo S.p.a. - Electronics Division - Defence Business Area. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-249-0492 |
| Primary Part Number | 230079144 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Leonardo S.p.a. - Electronics Division - Defence Business Area |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Criticality Code Justification | ADYT |
| Center Hole Diameter | 5.461 INCHES MINIMUM AND 5.507 INCHES MAXIMUM IN |
| Outside Diameter | 5.762 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Elongation Percentage | 160 MAXIMUM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 230079144 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| MS28775-254 | Sae International Dba Sae International (USA) |
| LL-HX5-0602 | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| MS28775-254 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 5331PL0897428 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| SAE-AS28775 | Sae International Dba Sae International (USA) |
| MS28775-254 | Society of Automotive Engineers Inc (USA) |
NSN 5331-01-249-0492 is a O-Ring, manufactured by Leonardo S.p.a. - Electronics Division - Defence Business Area, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-249-0492 has 7 cross-referenced part numbers: 230079144 (Leonardo S.p.a. - Electronics Division - Defence Business Area), MS28775-254 (Sae International Dba Sae International), LL-HX5-0602 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), MS28775-254 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 5331PL0897428 (Jednolity Indeks Materialowy - Uniform Material Index) and 2 more.
There is 1 known substitute for 5331-01-249-0492: 5331-01-084-7947. Verify interchangeability with system specifications before substitution.
Key specifications for 230079144: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Criticality Code Justification: ADYT; Center Hole Diameter: 5.461 INCHES MINIMUM AND 5.507 INCHES MAXIMUM IN; Outside Diameter: 5.762 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.