The Impeller Assembly, cataloged under National Stock Number 2915-01-207-5322, 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 Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2915-01-207-5322 |
| Primary Part Number | RG54657-2 |
| Item Name | Impeller Assembly |
| FSC / FSG | 2915 / 29 — Engine Fuel System Components, Aircraft and Missile Prime Movers |
| Manufacturer | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec |
| Status | ACTIVE |
| General Characteristics Item Description | C/O IMPELLER,CASTING P/N RR54657Z AND INSERT,IMPELLER P/N RD54659-2; MATL ALUMINUM ALLOY 356 TEMPER-T6 PER MIL-C-11866; OVERALL DIA 2.962-2.965 IN.; 3 HOLES 0.128 IN. DIA,0.18 IN. DEEP,120 DEG APART ON 0.665 IN. DIA; MINOR DIA 0.5709-0.5788 COUNTERSUNK AT 85-95 DEG TO 0.648-0.678 IN. DIA,0.625-18UNJF-3B,PITCH DIA 0.5889-0.5934 IN |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| RG54657-2 PRIMARY | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA) |
| Reference | Meaning |
|---|---|
| RG54657 | D/9 Drawing number reference only Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec |
NSN 2915-01-207-5322 is a Impeller Assembly, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
NSN 2915-01-207-5322 has 1 manufacturer part number on file: RG54657-2 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
Key specifications for RG54657-2: General Characteristics Item Description: C/O IMPELLER,CASTING P/N RR54657Z AND INSERT,IMPELLER P/N RD54659-2; MATL ALUMINUM ALLOY 356 TEMPER-T6 PER MIL-C-11866; OVERALL DIA 2.962-2.965 IN.; 3 HOLES 0.128 IN. DIA,0.18 IN. DEEP,120 DEG APART ON 0.665 IN. DIA; MINOR DIA 0.5709-0.5788 COUNTERSUNK AT 85-95 DEG TO 0.648-0.678 IN. DIA,0.625-18UNJF-3B,PITCH DIA 0.5889-0.5934 IN; Criticality Code Justification: AGAV; End Item Identification: USED ON RR54660 FOR F110 ACFT ENG. 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.
NSN 2915-01-207-5322 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.