The O-Ring, cataloged under National Stock Number 5331-00-845-8342, 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 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-845-8342 |
| Primary Part Number | MIL-STD-413 |
| 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 | ACTIVE |
| Center Hole Diameter | 0.727 INCHES MINIMUM AND 0.746 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.093 INCHES NOMINAL IN |
| Temp Rating | -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF |
| Outside Diameter | 0.943 INCHES NOMINAL IN |
| Hardness Rating | 50.0 SHORE DUROMETER A NOMINAL |
| Material | RUBBER SILICONE CLASS Q |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-STD-413 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| AMS3303 | Society of Automotive Engineers Inc (USA) |
| AS568-568 | Sae International Dba Sae International (USA) |
| AE25C85 | Grimes Aerospace Company (USA) |
| AMS3303 | Sae International Dba Sae International (USA) |
| AS568-568 | Society of Automotive Engineers Inc (USA) |
NSN 5331-00-845-8342 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: active.
NSN 5331-00-845-8342 has 6 cross-referenced part numbers: MIL-STD-413 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AMS3303 (Society of Automotive Engineers Inc), AS568-568 (Sae International Dba Sae International), AE25C85 (Grimes Aerospace Company), AMS3303 (Sae International Dba Sae International) and 1 more.
There are 12 known substitutes for 5331-00-845-8342: 5331-00-047-3862, 5331-00-072-8353, 5340-00-107-6217 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-STD-413: Center Hole Diameter: 0.727 INCHES MINIMUM AND 0.746 INCHES MAXIMUM IN; Cross-Sectional Height: 0.093 INCHES NOMINAL IN; Temp Rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF; Outside Diameter: 0.943 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.