The O-Ring, cataloged under National Stock Number 5331-01-026-2909, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-026-2909 |
| Primary Part Number | AS568-008 |
| 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 |
| Outside Diameter | 0.316 INCHES NOMINAL IN |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.070 INCHES NOMINAL IN |
| Material | RUBBER |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS568-008 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| AS568-008 AS3209-008 | Society of Automotive Engineers Inc (USA) |
| AS568-008 AS3209-008 | Sae International Dba Sae International (USA) |
| AS568A-008 | Dbr Industries, Inc. Dba Dbr Industries Inc (USA) |
| MILR2765-008ES | Eriks B.v. (NLD) |
NSN 5331-01-026-2909 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 5331-01-026-2909 has 5 cross-referenced part numbers: AS568-008 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AS568-008 AS3209-008 (Society of Automotive Engineers Inc), AS568-008 AS3209-008 (Sae International Dba Sae International), AS568A-008 (Dbr Industries, Inc. Dba Dbr Industries Inc), MILR2765-008ES (Eriks B.v.).
There are 6 known substitutes for 5331-01-026-2909: 5331-00-113-3804, 5331-00-417-0986, 5331-00-482-1596 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS568-008: Outside Diameter: 0.316 INCHES NOMINAL IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN; Cross-Sectional Height: 0.070 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.