The O-Ring, cataloged under National Stock Number 5331-01-470-2578, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Society of Automotive Engineers Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 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 | 5331-01-470-2578 |
| Primary Part Number | AS2778 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Society of Automotive Engineers Inc |
| Status | CANCELLED |
| Center Hole Diameter | 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC |
| Reference Number Differentiating Characteristics | AS MODIFIED BY MATERIAL |
| Cross-Sectional Height | 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| Elongation Percentage | 80 MAXIMUM |
| Peripheral Diameter | 0.367 INCHES NOMINAL IN |
| Temp Rating | -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS2778 | Society of Automotive Engineers Inc (USA) |
| 5330PL1036716 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| MS28778-2 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 032305 | Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems (USA) |
| MS28778-2 | Society of Automotive Engineers Inc (USA) |
| AMS-P-5510 | Society of Automotive Engineers Inc (USA) |
| AMS-P-5510 | Sae International Dba Sae International (USA) |
| AS2778 | Sae International Dba Sae International (USA) |
| MS28778-2 | Sae International Dba Sae International (USA) |
NSN 5331-01-470-2578 is a O-Ring, manufactured by Society of Automotive Engineers Inc, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-01-470-2578 has 9 cross-referenced part numbers: AS2778 (Society of Automotive Engineers Inc), 5330PL1036716 (Jednolity Indeks Materialowy - Uniform Material Index), MS28778-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 032305 (Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems), MS28778-2 (Society of Automotive Engineers Inc) and 4 more.
There are 12 known substitutes for 5331-01-470-2578: 5331-00-021-2891, 5331-00-251-8839, 5331-00-803-7208 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS2778: Center Hole Diameter: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC; Reference Number Differentiating Characteristics: AS MODIFIED BY MATERIAL; Cross-Sectional Height: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-01-470-2578 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.