The Seal,air,aircraft Gas Turbine En, cataloged under National Stock Number 2840-00-055-9610, 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 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-055-9610 |
| Primary Part Number | 547515 |
| 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 |
| Criticality Code Justification | AGAV |
| Diameter | 23.510 INCHES MINIMUM AND 23.530 INCHES MAXIMUM IN |
| Engine Section Location | COMPRESSOR |
| 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 547515 | Electro-Methods, L.p. (USA) |
| 547515 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 547515 | Union Machine Co of Lynn, Inc (USA) |
| 547515 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| 547515 | Columbia Manufacturing, Inc (USA) |
| Reference | Meaning |
|---|---|
| 547515 | 5/9 Secondary reference Barridon Corporation Div Aircraft |
| 547515 | 5/9 Secondary reference Machine Products Co Inc |
| 360016 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 2840-00-055-9610 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 2840-00-055-9610 has 5 manufacturer part numbers on file: 547515 (Electro-Methods, L.p.), 547515 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 547515 (Union Machine Co of Lynn, Inc), 547515 (Rtx Corporation Div Pratt & Whitney), 547515 (Columbia Manufacturing, Inc).
5 possible matches (shared part number, not a government interchangeability claim): 5307-00-366-3397, 3040-01-230-1695, 6150-01-678-3106. Verify interchangeability with system specifications before substitution.
Key specifications for 547515: Criticality Code Justification: AGAV; Diameter: 23.510 INCHES MINIMUM AND 23.530 INCHES MAXIMUM IN; Overall Length: 2.065 INCHES MINIMUM AND 2.085 INCHES MAXIMUM IN; 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 2840-00-055-9610 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.