The O-Ring, cataloged under National Stock Number 5331-00-585-3646, 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 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-585-3646 |
| Primary Part Number | MS28775-438 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Center Hole Diameter | 6.202 INCHES MINIMUM AND 6.248 INCHES MAXIMUM IN |
| Outside Diameter | 6.775 INCHES NOMINAL IN |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Elongation Percentage | 160 MAXIMUM |
| Cross-Sectional Height | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS28775-438 PRIMARY | Sae International Dba Sae International (USA) |
| MS28775-438 | Society of Automotive Engineers Inc (USA) |
| 546835 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| SAE-AS28775 | Sae International Dba Sae International (USA) |
| AN6227-65 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| AN6227PC65 | Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group |
| AN6227B65 | Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group |
| MS28775-438 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| AN6227B65 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
NSN 5331-00-585-3646 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-585-3646 has 9 cross-referenced part numbers: MS28775-438 (Sae International Dba Sae International), MS28775-438 (Society of Automotive Engineers Inc), 546835 (Army Weapons Command Attn Amswe-Ree-S), SAE-AS28775 (Sae International Dba Sae International), AN6227-65 (Aeronautical Standards Group Dept of Navy and Air Force) and 4 more.
There are 2 known substitutes for 5331-00-585-3646: 5331-00-196-5351, 5331-01-160-4337. Verify interchangeability with system specifications before substitution.
Key specifications for MS28775-438: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 6.202 INCHES MINIMUM AND 6.248 INCHES MAXIMUM IN; Outside Diameter: 6.775 INCHES NOMINAL IN; Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-585-3646 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.