The O-Ring, cataloged under National Stock Number 5331-00-641-3656, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-641-3656 |
| Primary Part Number | AS568-231 MIL-PRF-1149TYP2CL5 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Elongation Percentage | 250 MAXIMUM |
| Center Hole Diameter | 2.589 INCHES MINIMUM AND 2.629 INCHES MAXIMUM IN |
| Hardness Rating | 65.0 SHORE DUROMETER A NOMINAL |
| Outside Diameter | 2.887 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.125 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6230-9B80-7 | Barksdale, Inc (USA) |
| AS568-231 | Society of Automotive Engineers Inc (USA) |
| 6230-9B480-7 | Barksdale, Inc (USA) |
| 15972PC13 | Moog Inc. Dba Ampac-Isp Corp (USA) |
| MIL-PRF-1149TYP2CL5 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AS568-231 MIL-PRF-1149TYP2CL5 PRIMARY | Sae International Dba Sae International (USA) |
| 1350-16570PC7 | Moog Inc. Dba Ampac-Isp Corp (USA) |
| 593-209-1866063PC7 | Naval Ship Systems Command (USA) |
| 2-231 | Moog Inc. Dba Ampac-Isp Corp (USA) |
| AS568-231 | Sae International Dba Sae International (USA) |
NSN 5331-00-641-3656 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-641-3656 has 10 cross-referenced part numbers: 6230-9B80-7 (Barksdale, Inc), AS568-231 (Society of Automotive Engineers Inc), 6230-9B480-7 (Barksdale, Inc), 15972PC13 (Moog Inc. Dba Ampac-Isp Corp), MIL-PRF-1149TYP2CL5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 5 more.
There are 5 known substitutes for 5331-00-641-3656: 5331-00-052-6805, 5331-00-352-0328, 5331-00-593-1282 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS568-231 MIL-PRF-1149TYP2CL5: Elongation Percentage: 250 MAXIMUM; Center Hole Diameter: 2.589 INCHES MINIMUM AND 2.629 INCHES MAXIMUM IN; Hardness Rating: 65.0 SHORE DUROMETER A NOMINAL; Outside Diameter: 2.887 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.