NSN 4320-01-019-7480 · NIIN 010197480 · Part number RD34029-1-2
Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 51663
Government record, cited
NSN 4320-01-019-7480 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-019-7480. Manufacturer of record part number: RD34029-1-2.
Also searched as4320-01-019-7480 ·
4320010197480 ·
NIIN 010197480 ·
01-019-7480 ·
FSC 4320 Power and Hand Pumps · CAGE 51663 · RD34029-1-2
Nearby stock numbers← 4320-01-019-7430
·
4320-01-019-7526 Plate, Port →
Features
Coupling,spline — FSC 4320
General Characteristics Item Description: NITRALLOY N,0.425 IN. LG,0.4062 IN. MAJOR DIA,9 TOOTH SPLINE,0.3750 PITCH DIA,24/28 PITCH IN
1 manufacturer part number on file
Manufacturer of record: Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
Identification
NSN: 4320-01-019-7480
NIIN: 010197480
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: RD34029-1-2
Manufacturer: Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
General Description
The Coupling,spline, cataloged under National Stock Number 4320-01-019-7480, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. Government technical data includes 1 specification, 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4320-01-019-7480
Primary Part Number
RD34029-1-2
Item Name
Coupling,spline
FSC / FSG
4320 / 43 — Power and Hand Pumps
Manufacturer
Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
Status
ACTIVE
General Characteristics Item Description
NITRALLOY N,0.425 IN. LG,0.4062 IN. MAJOR DIA,9 TOOTH SPLINE,0.3750 PITCH DIA,24/28 PITCH IN
Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA)
No interchangeability data on file.
Other items in FSC 4320 — Power and Hand Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4320-00-001-1633
4320-00-001-1633 · Item name not on file
4320-00-001-2628
RETAINER AND PIN
4320-00-001-2629
HOUSING AND PIN
4320-00-001-2630
PUMP,CENTRIFUGAL
4320-00-001-2631
4320-00-001-2631 · Item name not on file
4320-00-001-2632
4320-00-001-2632 · Item name not on file
4320-00-001-3377
4320-00-001-3377 · Item name not on file
4320-00-001-3384
4320-00-001-3384 · Item name not on file
Frequently Asked Questions
What is NSN 4320-01-019-7480?
NSN 4320-01-019-7480 is a Coupling,spline, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 4320, Power and Hand Pumps. Status: active.
What part numbers are listed for NSN 4320-01-019-7480?
NSN 4320-01-019-7480 has 1 manufacturer part number on file: RD34029-1-2 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
What are the specifications of RD34029-1-2?
Key specifications for RD34029-1-2: General Characteristics Item Description: NITRALLOY N,0.425 IN. LG,0.4062 IN. MAJOR DIA,9 TOOTH SPLINE,0.3750 PITCH DIA,24/28 PITCH IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4320-01-019-7480 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.