The O-Ring, cataloged under National Stock Number 5331-01-540-3617, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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 | 5331-01-540-3617 |
| Primary Part Number | ST1946-902 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.064 INCHES NOMINAL IN |
| Center Hole Diameter | 0.239 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7T0566-902 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| ST1946-902 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| ST1946-902 PRIMARY | Freudenberg-Nok General Partnership Dba International Seal Co Inc (USA) |
| 7T0565-902 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 7T0565-902 PRIMARY | Freudenberg-Nok General Partnership Dba International Seal Co Inc (USA) |
NSN 5331-01-540-3617 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-540-3617 has 5 cross-referenced part numbers: 7T0566-902 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), ST1946-902 (Parker-Hannifin Corp Div O-Ring Division), ST1946-902 (Freudenberg-Nok General Partnership Dba International Seal Co Inc), 7T0565-902 (Parker-Hannifin Corp Div O-Ring Division), 7T0565-902 (Freudenberg-Nok General Partnership Dba International Seal Co Inc).
There is 1 known substitute for 5331-01-540-3617: 5331-01-388-9422. Verify interchangeability with system specifications before substitution.
Key specifications for ST1946-902: Cross-Sectional Height: 0.064 INCHES NOMINAL IN; End Item Identification: C-17A AIRCRAFT A; Center Hole Diameter: 0.239 INCHES NOMINAL IN. 3 total characteristics are documented in the Federal Logistics Information System.