The O-Ring, cataloged under National Stock Number 5331-00-064-4641, 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 9 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-064-4641 |
| Primary Part Number | MS29561-265 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Outside Diameter | 8.012 INCHES NOMINAL IN |
| Elongation Percentage | 250 MAXIMUM |
| Center Hole Diameter | 7.704 INCHES MINIMUM AND 7.764 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SAE-AS29561 | Sae International Dba Sae International (USA) |
| MS29561-265 | Society of Automotive Engineers Inc (USA) |
| AS29561 | Society of Automotive Engineers Inc (USA) |
| MS29561-265 PRIMARY | Sae International Dba Sae International (USA) |
| MS29561-265 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 2-265-47-071 | Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division (USA) |
| AS29561-265 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 2-265COMPOUNDNU | Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division (USA) |
| AS29561 | Sae International Dba Sae International (USA) |
NSN 5331-00-064-4641 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-064-4641 has 9 cross-referenced part numbers: SAE-AS29561 (Sae International Dba Sae International), MS29561-265 (Society of Automotive Engineers Inc), AS29561 (Society of Automotive Engineers Inc), MS29561-265 (Sae International Dba Sae International), MS29561-265 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.
There are 7 known substitutes for 5331-00-064-4641: 5331-00-800-5182, 5331-00-800-6870, 5331-00-884-0940 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS29561-265: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Outside Diameter: 8.012 INCHES NOMINAL IN; Elongation Percentage: 250 MAXIMUM. 6 total characteristics are documented in the Federal Logistics Information System.