The Seal O Ring, cataloged under National Stock Number 2840-00-049-3365, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Westinghouse Electric Corp. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Seal O Ring |
| FSC / FSG | 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components (FSG 28) |
| Manufacturers | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); Westinghouse Electric Corp (CAGE 79500) |
| Parameter | Value |
|---|---|
| NSN | 2840-00-049-3365 |
| Primary Part Number | 65H522-6 |
| Item Name | Seal O Ring |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 101T946 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 65H522-6 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 101T946 | Westinghouse Electric Corp (USA) |
| 65H522-6 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 101T946 | 5/9 Secondary reference Colt Industries Operating Corp Pratt and Whitney Machine Tool Div |
NSN 2840-00-049-3365 is a Seal O Ring, manufactured by Westinghouse Electric Corp, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-049-3365 has 4 manufacturer part numbers on file: 101T946 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 65H522-6 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 101T946 (Westinghouse Electric Corp), 65H522-6 (Westinghouse Electric Corp).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.