The O-Ring, cataloged under National Stock Number 5331-01-043-1905, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-043-1905 |
| Primary Part Number | AS3581-386 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Outside Diameter | 17.375 INCHES NOMINAL IN |
| Elongation Percentage | 125 MAXIMUM |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| Cross-Sectional Height | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN |
| Temp Rating | -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Center Hole Diameter | 16.875 INCHES MINIMUM AND 17.035 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SAE AMS7259 | Sae International Dba Sae International (USA) |
| M83248/2-386 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| SAE-AS3581 | Sae International Dba Sae International (USA) |
| AS3581-386 PRIMARY | Sae International Dba Sae International (USA) |
| AS3581-386 | Society of Automotive Engineers Inc (USA) |
| SAE AMS7259 | Society of Automotive Engineers Inc (USA) |
| MIL-R-83248/2 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M83248-2-386 | Zf Industrieantriebe Witten Gmbh (DEU) |
NSN 5331-01-043-1905 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-043-1905 has 8 cross-referenced part numbers: SAE AMS7259 (Sae International Dba Sae International), M83248/2-386 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), SAE-AS3581 (Sae International Dba Sae International), AS3581-386 (Sae International Dba Sae International), AS3581-386 (Society of Automotive Engineers Inc) and 3 more.
There are 5 known substitutes for 5331-01-043-1905: 5331-00-166-1110, 5331-01-105-9153, 5331-01-255-0146 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS3581-386: Outside Diameter: 17.375 INCHES NOMINAL IN; Elongation Percentage: 125 MAXIMUM; Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; Material: RUBBER FLUOROCARBON CLASS FPM. 7 total characteristics are documented in the Federal Logistics Information System.