The Seal,air,aircraft Gas Turbine En, cataloged under National Stock Number 2840-01-206-7641, 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 3 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-206-7641 |
| Primary Part Number | 4061748 |
| 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 | 14.483 INCHES NOMINAL IN |
| 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 | F |
| Part Number | Manufacturer |
|---|---|
| 4061748 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4061748 | Satellite Tool & Machine Co., Inc. (USA) |
| 4061748 | Beacon Industries, Inc. Dba Beacon Technology Co (USA) |
| 4061748 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4061748 | Paramount Machine Company, Inc. Dba Paramount Machine Co Inc (USA) |
| 4061748 | Union Machine Co of Lynn, Inc (USA) |
| Reference | Meaning |
|---|---|
| 4061748 | 5/9 Secondary reference Numet Acquisition Inc |
| 4061748 | 5/9 Secondary reference Ambel Precision Manufacturing Corporation |
| 4061748 | 5/9 Secondary reference Lewis Machine, Llc |
| 2840PL0664277 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 2840-01-206-7641 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 2840-01-206-7641 has 6 manufacturer part numbers on file: 4061748 (Rtx Corporation Div Pratt & Whitney), 4061748 (Satellite Tool & Machine Co., Inc.), 4061748 (Beacon Industries, Inc. Dba Beacon Technology Co), 4061748 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4061748 (Paramount Machine Company, Inc. Dba Paramount Machine Co Inc) and 1 more.
Key specifications for 4061748: Criticality Code Justification: AGAV; Diameter: 14.483 INCHES NOMINAL IN; Special Features: MATL AMS 5707; End Item Identification: ACFT ENG F100-PW-220. 3 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 2840-01-206-7641 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.