The Seal,air,aircraft Gas Turbine En, cataloged under National Stock Number 2840-01-160-9203, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 2840-01-160-9203 |
| Primary Part Number | 734826 |
| Item Name | Seal,air,aircraft Gas Turbine En |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Stage Number | 4 |
| Criticality Code Justification | AGAV |
| Diameter | 15.405 INCHES MINIMUM AND 15.415 INCHES MAXIMUM IN |
| Engine Section Location | TURBINE |
| Material | NICKEL ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 734826 | Demusz Mfg. Co., Inc. (USA) |
| 734826 | Dover Tool of Connecticut, Llc Div Na (USA) |
| 734826 | Union Machine Co of Lynn, Inc (USA) |
| 734826 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 734826 | Hanwha Aerospace Usa Llc (USA) |
| 734826 | Electro-Methods, L.p. (USA) |
| 734826 | Columbia Manufacturing, Inc (USA) |
| Reference | Meaning |
|---|---|
| 734826 | 5/9 Secondary reference Mtu Aero Engine Components Inc |
NSN 2840-01-160-9203 is a Seal,air,aircraft Gas Turbine En, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-160-9203 has 7 manufacturer part numbers on file: 734826 (Demusz Mfg. Co., Inc.), 734826 (Dover Tool of Connecticut, Llc Div Na), 734826 (Union Machine Co of Lynn, Inc), 734826 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 734826 (Hanwha Aerospace Usa Llc) and 2 more.
Key specifications for 734826: Stage Number: 4; Criticality Code Justification: AGAV; Diameter: 15.405 INCHES MINIMUM AND 15.415 INCHES MAXIMUM IN; Overall Length: 3.217 INCHES MINIMUM AND 3.219 INCHES MAXIMUM IN. 5 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 2840-01-160-9203 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.