The Tube,scavenge,gearbox Drive Shaf, cataloged under National Stock Number 2840-00-477-4187, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-477-4187 |
| Primary Part Number | 691949 |
| Item Name | Tube,scavenge,gearbox Drive Shaf |
| 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 |
| FSC Application Data | ACFT JET ENGINE,TF30P100 |
| General Characteristics Item Description | STEEL AMS5595 ANNEALED,5.350 IN. MIN,5.370 IN. MAX LG,0.025IN. MIN,0.031 IN. MAX WALL THK,0.948 IN. MIN,0.958 IN. MAX TUBEOD,ONE END 0.915 IN. MIN,0.917 IN. MAX OD,1.290 IN. MIN LG,ONEEND 0.9390 IN. MIN,0.9405 IN. MAX OD,0.500 IN. MIN LG IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 691949 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 691949 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 2840-00-477-4187 is a Tube,scavenge,gearbox Drive Shaf, 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 2840-00-477-4187 has 1 manufacturer part number on file: 691949 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 691949: FSC Application Data: ACFT JET ENGINE,TF30P100; General Characteristics Item Description: STEEL AMS5595 ANNEALED,5.350 IN. MIN,5.370 IN. MAX LG,0.025IN. MIN,0.031 IN. MAX WALL THK,0.948 IN. MIN,0.958 IN. MAX TUBEOD,ONE END 0.915 IN. MIN,0.917 IN. MAX OD,1.290 IN. MIN LG,ONEEND 0.9390 IN. MIN,0.9405 IN. MAX OD,0.500 IN. MIN LG IN. 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.