The Seal,air,aircraft Gas Turbine En, cataloged under National Stock Number 2840-00-981-9212, 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 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 14 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-981-9212 |
| Primary Part Number | 454387 |
| 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 | 13 |
| Hardness Rating | 30.0 ROCKWELL C NOMINAL OVERALL |
| Criticality Code Justification | AGAV |
| Engine Section Location | COMPRESSOR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 454387 | Rtx Corporation Div Pratt & Whitney (USA) |
| 454387 | Metro Machine Works Inc (USA) |
| 454387 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 454387 | 5/9 Secondary reference Unison Engine Components, Inc. Dba Unison Engine Components |
| 454387 | 5/9 Secondary reference General Machinery & Manufacturing Co |
| 454387 | 5/9 Secondary reference Chromalloy San Diego Corp |
| 454387 | 5/9 Secondary reference Enjet Aero Bloomfield, Llc |
| 454387 | 5/9 Secondary reference Hanwha Aerospace Usa Llc |
| 454387 | 5/9 Secondary reference Union Machine Co of Lynn, Inc |
| 454387 | 5/9 Secondary reference Electro-Methods, L.p. |
| 454387 | 5/9 Secondary reference Lewis Machine, Llc |
| 454387 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 454387 | 5/9 Secondary reference Lpi Industries Corporation |
| 454387 | 5/9 Secondary reference Demusz Mfg. Co., Inc. |
| 454387 | 5/9 Secondary reference Drt Aerospace, Llc |
| 454387 | 5/9 Secondary reference Khs Corp |
| 454387 | 5/9 Secondary reference Stowe Machine Co., Inc. |
NSN 2840-00-981-9212 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 2840-00-981-9212 has 3 manufacturer part numbers on file: 454387 (Rtx Corporation Div Pratt & Whitney), 454387 (Metro Machine Works Inc), 454387 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 3910-01-123-5557. Verify interchangeability with system specifications before substitution.
Key specifications for 454387: Stage Number: 13; Hardness Rating: 30.0 ROCKWELL C NOMINAL OVERALL; Criticality Code Justification: AGAV; Engine Section Location: COMPRESSOR. 4 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 2840-00-981-9212 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.