The O-Ring, cataloged under National Stock Number 5331-00-684-2547, 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 14 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-684-2547 |
| Primary Part Number | MS29561-249 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Outside Diameter | 5.137 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Center Hole Diameter | 4.844 INCHES MINIMUM AND 4.874 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 250 MAXIMUM |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS29561 | Society of Automotive Engineers Inc (USA) |
| S8171K27 | Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA) |
| SAE-AS29561 | Sae International Dba Sae International (USA) |
| MS29561-249 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 2-249 N4771-70 | Parker Hannifin Gmbh O-Ring Division (DEU) |
| S8171K27 | Proponent, Inc. Dba Proponent (USA) |
| AMS-R-7362 | Society of Automotive Engineers Inc (USA) |
| AMS-R-7362 | Sae International Dba Sae International (USA) |
| MS29561-249 PRIMARY | Sae International Dba Sae International (USA) |
| MS29561 PRIMARY | Sae International Dba Sae International (USA) |
| MS29561-249 | Society of Automotive Engineers Inc (USA) |
| AS29561-249 | Society of Automotive Engineers Inc (USA) |
| 2-249 47-071 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| S8171K27 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
NSN 5331-00-684-2547 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-684-2547 has 14 cross-referenced part numbers: MS29561 (Society of Automotive Engineers Inc), S8171K27 (Alliedsignal Inc Dba Allied-Signal Aerospace Co), SAE-AS29561 (Sae International Dba Sae International), MS29561-249 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 2-249 N4771-70 (Parker Hannifin Gmbh O-Ring Division) and 9 more.
There are 12 known substitutes for 5331-00-684-2547: 5331-00-080-0811, 5331-00-081-3986, 5331-00-112-1364 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS29561-249: Outside Diameter: 5.137 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 4.844 INCHES MINIMUM AND 4.874 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-684-2547 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.