The Cylinder,throttle Valve, cataloged under National Stock Number 2915-00-738-9255, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2915-00-738-9255 |
| Primary Part Number | 552914 |
| Item Name | Cylinder,throttle Valve |
| FSC / FSG | 2915 / 29 — Engine Fuel System Components, Aircraft and Missile Prime Movers |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,QQ-A-200-8,TEMPER T6 OR AMS4150,ROCKWELLHARDNESS RATING RB 45 MIN,HEAT TREATED MIL-H-6088 PER UNITED ACFT SPEC NO. HS454,1.806 IN. MIN,1.808 IN. MAX,O/A DIA ON FIRST END,1.615 IN. MIN,1.625 IN. MAX O/A DIA ON SECOND END,1.595 IN. MIN,1.605 IN MAX,O/A LG IN |
| 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 |
|---|---|
| 552914 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| 552914 | Quiet Automatic Burner Corp (USA) |
| Reference | Meaning |
|---|---|
| 552914 | 5/9 Secondary reference Apex Precision Technologies, Inc. |
| 552914 | 5/9 Secondary reference Preci-Manufacturing, Incorporated |
| 552914 | 5/9 Secondary reference Ssi Manufacturing Technologies Corp. Dba Ssi Manufacturing Technologies Corp |
NSN 2915-00-738-9255 is a Cylinder,throttle Valve, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
NSN 2915-00-738-9255 has 2 manufacturer part numbers on file: 552914 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 552914 (Quiet Automatic Burner Corp).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-398-3635. Verify interchangeability with system specifications before substitution.
Key specifications for 552914: General Characteristics Item Description: ALUMINUM ALLOY,QQ-A-200-8,TEMPER T6 OR AMS4150,ROCKWELLHARDNESS RATING RB 45 MIN,HEAT TREATED MIL-H-6088 PER UNITED ACFT SPEC NO. HS454,1.806 IN. MIN,1.808 IN. MAX,O/A DIA ON FIRST END,1.615 IN. MIN,1.625 IN. MAX O/A DIA ON SECOND END,1.595 IN. MIN,1.605 IN MAX,O/A LG IN. 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 2915-00-738-9255 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.