The Fuel Control,starting,turbine En, cataloged under National Stock Number 2915-01-701-5670, is classified within Federal Supply Class 2915 (Engine Fuel System Components, Aircraft and Missile Prime Movers) of the Engine Accessories group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Fuel Control,starting,turbine En |
| FSC / FSG | 2915 — Engine Fuel System Components, Aircraft and Missile Prime Movers (FSG 29) |
| Manufacturers | Pratt & Whitney Rzeszow S.a. (CAGE 0206H); Hamilton Sundstrand Poland Sp. Z O.o. (CAGE 2073H); Rtx Corporation Div Pratt & Whitney (CAGE 55820) |
| Parameter | Value |
|---|---|
| NSN | 2915-01-701-5670 |
| Primary Part Number | 4508950B |
| Item Name | Fuel Control,starting,turbine En |
| FSC / FSG | 2915 / 29 — Engine Fuel System Components, Aircraft and Missile Prime Movers |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4508950B | Pratt & Whitney Rzeszow S.a. (POL) |
| 4508950B | Hamilton Sundstrand Poland Sp. Z O.o. (POL) |
| 4508950B PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 3240E-3 FIG 09-150 | D/9 Drawing number reference only Rtx Corporation Div Pratt & Whitney |
| 3240E-3 REV 4 | D/9 Drawing number reference only Rtx Corporation Div Pratt & Whitney |
NSN 2915-01-701-5670 is a Fuel Control,starting,turbine En, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
NSN 2915-01-701-5670 has 3 manufacturer part numbers on file: 4508950B (Pratt & Whitney Rzeszow S.a.), 4508950B (Hamilton Sundstrand Poland Sp. Z O.o.), 4508950B (Rtx Corporation Div Pratt & Whitney).
2 possible matches (shared part number, not a government interchangeability claim): 2925-01-701-5680, 6150-01-701-5691. Verify interchangeability with system specifications before substitution.
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 2915-01-701-5670 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.