NSN 4730-01-422-5717 · NIIN 014225717 · Part number RYLB189
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 05624
Government record, cited
NSN 4730-01-422-5717 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-422-5717. Manufacturer of record part number: RYLB189.
Also searched as4730-01-422-5717 ·
4730014225717 ·
NIIN 014225717 ·
01-422-5717 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 05624 · RYLB189 · RYBL189 · RYBL189
4730-01-422-5717 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Reducer,boss — FSC 4730
Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Connection Style: FLARED W/ GASKET SEAL (BOSS) ALL ENDS
Nominal Overall Length: 1.406 INCHES IN
Connection Type: THREADED EXTERNAL BOSS ALL ENDS
Material Document and Classification: QQ-A-225/4, T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size: 0.500 INCHES SECOND END IN
Nominal Thread Size: 0.562 INCHES FIRST END IN
Identification
NSN: 4730-01-422-5717
NIIN: 014225717
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: RYLB189
Manufacturer: Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
General Description
The Reducer,boss, cataloged under National Stock Number 4730-01-422-5717, 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 Ge Aviation Systems Llc Dba Ge Aviation Systems Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Blessing Our World, Inc. Dba Freedom Precision Hardware
No interchangeability data on file.
Other items in FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895
4730-00-000-1895 · Item name not on file
4730-00-000-4289
4730-00-000-4289 · Item name not on file
4730-00-000-4445
4730-00-000-4445 · Item name not on file
4730-00-000-8373
4730-00-000-8373 · Item name not on file
4730-00-000-8897
4730-00-000-8897 · Item name not on file
4730-00-001-0007
4730-00-001-0007 · Item name not on file
4730-00-001-0008
COUPLING,TUBE
4730-00-001-0008
COUPLING,TUBE
Frequently Asked Questions
What is NSN 4730-01-422-5717?
NSN 4730-01-422-5717 is a Reducer,boss, manufactured by Ge Aviation Systems Llc Dba Ge Aviation Systems Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-422-5717?
NSN 4730-01-422-5717 has 2 manufacturer part numbers on file: RYLB189 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc), RYBL189 (Amg Diamond, Llc Dba Etaglobal, Llc).
What are the specifications of RYLB189?
Key specifications for RYLB189: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARED W/ GASKET SEAL (BOSS) ALL ENDS; Nominal Overall Length: 1.406 INCHES IN; Connection Type: THREADED EXTERNAL BOSS ALL ENDS. 13 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-422-5717 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.