The Piston,throttle Val, cataloged under National Stock Number 2915-00-912-0844, 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 Ontic Engineering & Manufacturing, Inc Dba Ontic Us. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Piston,throttle Val |
| FSC / FSG | 2915 — Engine Fuel System Components, Aircraft and Missile Prime Movers (FSG 29) |
| Manufacturers | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (CAGE 45934); Hamilton Sundstrand Corporation Dba Collins Aerospace (CAGE 73030) |
| Parameter | Value |
|---|---|
| NSN | 2915-00-912-0844 |
| Primary Part Number | 590657 |
| Item Name | Piston,throttle Val |
| FSC / FSG | 2915 / 29 — Engine Fuel System Components, Aircraft and Missile Prime Movers |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| 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 | F |
| Part Number | Manufacturer |
|---|---|
| 590657 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| 590657 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 590657 | 5/9 Secondary reference Connecticut Tool & Manufacturing Company, Llc Dba Pursuit Aerospace |
| 590657 | 5/9 Secondary reference Reliable Manufacturing Company, Incorporated Div N/a |
NSN 2915-00-912-0844 is a Piston,throttle Val, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
NSN 2915-00-912-0844 has 2 manufacturer part numbers on file: 590657 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 590657 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
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 2915-00-912-0844 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.