The O-Ring, cataloged under National Stock Number 5331-01-446-1961, 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 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 | 5331-01-446-1961 |
| Primary Part Number | AS3209-220 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Material | RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.347 INCHES MINIMUM AND 1.371 INCHES MAXIMUM IN |
| Material Document and Classification | AMS7276 ASSN STD SINGLE MATERIAL RESPONSE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS3209-220 PRIMARY | Sae International Dba Sae International (USA) |
| SAE-AMS7276 | Sae International Dba Sae International (USA) |
| AS3209-220 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| MILR83248 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AS3209-220 | Society of Automotive Engineers Inc (USA) |
NSN 5331-01-446-1961 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-446-1961 has 5 cross-referenced part numbers: AS3209-220 (Sae International Dba Sae International), SAE-AMS7276 (Sae International Dba Sae International), AS3209-220 (Leonardo Spa Helicopters Division - Production Site), MILR83248 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AS3209-220 (Society of Automotive Engineers Inc).
There are 2 known substitutes for 5331-01-446-1961: 5331-00-166-8411, 5331-01-497-4149. Verify interchangeability with system specifications before substitution.
Key specifications for AS3209-220: Material: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 1.347 INCHES MINIMUM AND 1.371 INCHES MAXIMUM IN; Material Document and Classification: AMS7276 ASSN STD SINGLE MATERIAL RESPONSE. 4 total characteristics are documented in the Federal Logistics Information System.