The O-Ring, cataloged under National Stock Number 5331-00-420-7591, 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 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-420-7591 |
| Primary Part Number | MS28775-152 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Center Hole Diameter | 3.213 INCHES MINIMUM AND 3.261 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Outside Diameter | 3.443 INCHES NOMINAL IN |
| Elongation Percentage | 160 MAXIMUM |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS28775-152 | Society of Automotive Engineers Inc (USA) |
| SAE-AS28775 | Sae International Dba Sae International (USA) |
| MS28775-152 | Parker Brownsville Servicio S.a. De C.v. (MEX) |
| MS28775-152 PRIMARY | Sae International Dba Sae International (USA) |
| MS28775-152 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5331-00-420-7591 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-420-7591 has 5 cross-referenced part numbers: MS28775-152 (Society of Automotive Engineers Inc), SAE-AS28775 (Sae International Dba Sae International), MS28775-152 (Parker Brownsville Servicio S.a. De C.v.), MS28775-152 (Sae International Dba Sae International), MS28775-152 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There are 2 known substitutes for 5331-00-420-7591: 5331-00-104-7620, 5331-00-956-9216. Verify interchangeability with system specifications before substitution.
Key specifications for MS28775-152: Center Hole Diameter: 3.213 INCHES MINIMUM AND 3.261 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Outside Diameter: 3.443 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.