The Seal,air,aircraft Gas Turbine En, cataloged under National Stock Number 2840-01-159-9631, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-159-9631 |
| Primary Part Number | 598159 |
| 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 | 2 |
| Criticality Code Justification | AGAV |
| Diameter | 15.310 INCHES MINIMUM AND 15.330 INCHES MAXIMUM IN |
| Engine Section Location | TURBINE |
| Material | STEEL 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 |
|---|---|
| 598159 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 598159 | 5/9 Secondary reference Barridon Corporation Div Aircraft |
| 598159 | 5/9 Secondary reference Drt Aerospace, Llc |
| 598159 | 5/9 Secondary reference Shubhada Industries |
| 598159 | 5/9 Secondary reference Unison Engine Components, Inc. Dba Unison Engine Components |
| 598159 | 5/9 Secondary reference Pcx Aerosystems-Manchester, Llc Dba Pcx Aerosystems - Manchester Llc |
| 598159 | 5/9 Secondary reference Beacon Industries, Inc. Dba Beacon Technology Co |
| 598159 | 5/9 Secondary reference Electro-Methods, L.p. |
| 598159 | 5/9 Secondary reference Demusz Mfg. Co., Inc. |
| 598159 | 5/9 Secondary reference Ambel Precision Manufacturing Corporation |
| 598159 | 5/9 Secondary reference Hanwha Aerospace Usa Llc Div Edac Nd, Inc. |
NSN 2840-01-159-9631 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 2840-01-159-9631 has 1 manufacturer part number on file: 598159 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 598159: Stage Number: 2; Criticality Code Justification: AGAV; Diameter: 15.310 INCHES MINIMUM AND 15.330 INCHES MAXIMUM IN; Overall Length: 1.905 INCHES MINIMUM AND 1.925 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 2840-01-159-9631 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.