NSN 4730-01-188-1859 · NIIN 011881859 · Part number AE81571G
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 00624
Government record, cited
NSN 4730-01-188-1859 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-188-1859. Manufacturer of record part number: AE81571G.
Also searched as4730-01-188-1859 ·
4730011881859 ·
NIIN 011881859 ·
01-188-1859 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 00624 · AE81571G · 7M638 · 7M638N6B
4730-01-188-1859 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Coupling Half,quick Disconnect — FSC 4730
Connection Style: COMPRESSION ALL ENDS
Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS
Style Designator: MALE COUPLING HALF
Nominal Outside Diameter Tube Accommodated: 0.375 INCHES ALL ENDS IN
Leg Length: 1.120 INCHES NOMINAL IN
Features Provided: SELF-SEALING
Identification
NSN: 4730-01-188-1859
NIIN: 011881859
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: AE81571G
Manufacturer: Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
General Description
The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-188-1859, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 12 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
NSN 4730-01-188-1859 is a Coupling Half,quick Disconnect, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-188-1859?
NSN 4730-01-188-1859 has 2 manufacturer part numbers on file: AE81571G (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 7M638N6B (The Boeing Company Div Defense).
What NSN replaces 4730-01-188-1859?
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-189-7666, 4730-01-194-0173, 4730-01-194-7953. Verify interchangeability with system specifications before substitution.
What are the specifications of AE81571G?
Key specifications for AE81571G: Connection Style: COMPRESSION ALL ENDS; Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION; Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS; Style Designator: MALE COUPLING HALF. 12 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-188-1859 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.