The O-Ring, cataloged under National Stock Number 5331-00-080-0811, 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 8 commercial cross-references from 5 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 | 5331-00-080-0811 |
| Primary Part Number | MS29561-264 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Outside Diameter | 7.762 INCHES NOMINAL IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Elongation Percentage | 250 MAXIMUM |
| Center Hole Diameter | 7.454 INCHES MINIMUM AND 7.514 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 10172776 | Nimikkeistokeskus Ncb Finland (FIN) |
| SAE-AS29561 | Sae International Dba Sae International (USA) |
| MS29561-264 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS29561-264 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| MS29561-264 PRIMARY | Sae International Dba Sae International (USA) |
| MS29561-264 | Society of Automotive Engineers Inc (USA) |
| AMS-R-7362 | Sae International Dba Sae International (USA) |
| AMS-R-7362 | Society of Automotive Engineers Inc (USA) |
NSN 5331-00-080-0811 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-080-0811 has 8 cross-referenced part numbers: 10172776 (Nimikkeistokeskus Ncb Finland), SAE-AS29561 (Sae International Dba Sae International), MS29561-264 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS29561-264 (Leonardo Spa Helicopters Division - Production Site), MS29561-264 (Sae International Dba Sae International) and 3 more.
There are 12 known substitutes for 5331-00-080-0811: 5331-00-081-3986, 5331-00-112-1364, 5331-00-115-6080 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS29561-264: Outside Diameter: 7.762 INCHES NOMINAL IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.