The O-Ring, cataloged under National Stock Number 5331-01-449-3352, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-449-3352 |
| Primary Part Number | AMS 7271/AS3578-018 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Hardness Rating | 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM |
| Center Hole Diameter | 0.730 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AMS 7271/AS3578-018 | Society of Automotive Engineers Inc (USA) |
| AS3578-018 | Society of Automotive Engineers Inc (USA) |
| AMS 7271/AS3578-018 PRIMARY | Sae International Dba Sae International (USA) |
| SAE-AS3578 | Sae International Dba Sae International (USA) |
NSN 5331-01-449-3352 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-449-3352 has 4 cross-referenced part numbers: AMS 7271/AS3578-018 (Society of Automotive Engineers Inc), AS3578-018 (Society of Automotive Engineers Inc), AMS 7271/AS3578-018 (Sae International Dba Sae International), SAE-AS3578 (Sae International Dba Sae International).
There is 1 known substitute for 5331-01-449-3352: 5331-00-690-9743. Verify interchangeability with system specifications before substitution.
Key specifications for AMS 7271/AS3578-018: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Hardness Rating: 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM; Center Hole Diameter: 0.730 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.