The Retainer,oil Seal,gearbox, cataloged under National Stock Number 2840-00-329-1271, 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 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-329-1271 |
| Primary Part Number | 4002707 |
| Item Name | Retainer,oil Seal,gearbox |
| 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 |
| General Characteristics Item Description | ALUMINUM ALLOY PER MAS4120 OR AMS4252 |
| 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 |
|---|---|
| 4002707 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4002707 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4002707 | Paramount Machine Company, Inc. Dba Paramount Machine Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 4002707 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 2840PL0664319 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 2840-00-329-1271 is a Retainer,oil Seal,gearbox, 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 2840-00-329-1271 has 3 manufacturer part numbers on file: 4002707 (Rtx Corporation Div Pratt & Whitney), 4002707 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4002707 (Paramount Machine Company, Inc. Dba Paramount Machine Co Inc).
Key specifications for 4002707: General Characteristics Item Description: ALUMINUM ALLOY PER MAS4120 OR AMS4252; End Item Identification: ENGINE,TURBOFAN,MODEL F100. 1 specification is 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 2840-00-329-1271 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.