NSN 3020-01-652-7559 · NIIN 016527559 · Part number RD54103-1
Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 51663
Government record, cited
NSN 3020-01-652-7559 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-652-7559. Manufacturer of record part number: RD54103-1.
Also searched as3020-01-652-7559 ·
3020016527559 ·
NIIN 016527559 ·
01-652-7559 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 51663 · RD54103-1 · RR54080A
Manufacturer of record: Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
Identification
NSN: 3020-01-652-7559
NIIN: 016527559
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: RD54103-1
Manufacturer: Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
General Description
The Guard,mechanical Drive, cataloged under National Stock Number 3020-01-652-7559, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Guard,mechanical Drive
FSC / FSG
3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30)
Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA)
Reference documents
Reference
Meaning
RR54080A
D/9Drawing number reference only
Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
Related Parts
2925-01-652-7562POSSIBLE MATCH
GRILLE,METAL
RD54113
2925-01-652-7564POSSIBLE MATCH
GRILLE,METAL
RD54112
2915-01-652-7566POSSIBLE MATCH
IMPELLER,PUMP,CENTRIFUGAL
RD54111
5310-01-653-3390POSSIBLE MATCH
WASHER,FLAT
RD54085
Frequently Asked Questions
What is NSN 3020-01-652-7559?
NSN 3020-01-652-7559 is a Guard,mechanical Drive, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-01-652-7559?
NSN 3020-01-652-7559 has 1 manufacturer part number on file: RD54103-1 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
What NSN replaces 3020-01-652-7559?
4 possible matches (shared part number, not a government interchangeability claim): 2925-01-652-7562, 2925-01-652-7564, 2915-01-652-7566. Verify interchangeability with system specifications before substitution.
Is NSN 3020-01-652-7559 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.