The O-Ring, cataloged under National Stock Number 5331-01-385-9503, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-385-9503 |
| Primary Part Number | AS568-227 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Society of Automotive Engineers Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Temp Rating | -70.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Hardness Rating | 80.0 SHORE DUROMETER A NOMINAL |
| Material Document and Classification | MIL-R-83285 GR 80 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM |
| Center Hole Diameter | 2.091 INCHES MINIMUM AND 2.217 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS568-227 | Society of Automotive Engineers Inc (USA) |
| MIL-R-83285GR80/AS568-227 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AMS-R-83285 GR80 | Society of Automotive Engineers Inc (USA) |
NSN 5331-01-385-9503 is a O-Ring, manufactured by Society of Automotive Engineers Inc, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-385-9503 has 3 cross-referenced part numbers: AS568-227 (Society of Automotive Engineers Inc), MIL-R-83285GR80/AS568-227 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AMS-R-83285 GR80 (Society of Automotive Engineers Inc).
There are 8 known substitutes for 5331-01-385-9503: 5331-00-599-0071, 5331-01-148-7490, 5330-01-228-7156 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS568-227: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Temp Rating: -70.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Hardness Rating: 80.0 SHORE DUROMETER A NOMINAL; Material Document and Classification: MIL-R-83285 GR 80 MIL SPEC SINGLE MATERIAL RESPONSE. 6 total characteristics are documented in the Federal Logistics Information System.