The Cushion,oil Tank, cataloged under National Stock Number 2840-01-009-4739, 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 2 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2840-01-009-4739 |
| Primary Part Number | 743817 |
| Item Name | Cushion,oil Tank |
| 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 | SILIOCNE RUBBER BONDED TO TRICOT POLYESTER FABRIC,USED ON TF33-100 ENGINE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 743817 | Rtx Corporation Div Pratt & Whitney (USA) |
| 743817 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 743817 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 743817 | 5/9 Secondary reference U.S. Government activity |
NSN 2840-01-009-4739 is a Cushion,oil Tank, 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 2840-01-009-4739 has 2 manufacturer part numbers on file: 743817 (Rtx Corporation Div Pratt & Whitney), 743817 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 743817: General Characteristics Item Description: SILIOCNE RUBBER BONDED TO TRICOT POLYESTER FABRIC,USED ON TF33-100 ENGINE; Criticality Code Justification: FEAT; Special Features: FORM,FIT,FUNCTION. 2 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.
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.