NSN 4730-00-055-2973 · NIIN 000552973 · Part number NYLC-180-1
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 4730-00-055-2973 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-055-2973. Manufacturer of record part number: NYLC-180-1.
Also searched as4730-00-055-2973 ·
4730000552973 ·
NIIN 000552973 ·
00-055-2973 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 05624 · NYLC-180-1
4730-00-055-2973 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Coupling,round — FSC 4730
General Characteristics Item Description: STEEL,BLACK OXIDE COATED,CYLINDRICAL,SERRATED;0.391 IN. MAJOR OD;0.250 IN. ID;0.478 IN. LG;TWO PIN HOLES 0.078 IN. DIA LOCATED 0.094 IN. FROM END TO HOLE CENTER,180 DEGREES APART;0.385 IN. MINOR OD OF ITEM IN
1 manufacturer part number on file
Manufacturer of record: Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
Identification
NSN: 4730-00-055-2973
NIIN: 000552973
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: NYLC-180-1
Manufacturer: Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
General Description
The Coupling,round, cataloged under National Stock Number 4730-00-055-2973, 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 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.
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
Status
ACTIVE
General Characteristics Item Description
STEEL,BLACK OXIDE COATED,CYLINDRICAL,SERRATED;0.391 IN. MAJOR OD;0.250 IN. ID;0.478 IN. LG;TWO PIN HOLES 0.078 IN. DIA LOCATED 0.094 IN. FROM END TO HOLE CENTER,180 DEGREES APART;0.385 IN. MINOR OD OF ITEM IN
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
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 4730-00-055-2973?
NSN 4730-00-055-2973 is a Coupling,round, 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 4730-00-055-2973?
NSN 4730-00-055-2973 has 1 manufacturer part number on file: NYLC-180-1 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc).
What are the specifications of NYLC-180-1?
Key specifications for NYLC-180-1: General Characteristics Item Description: STEEL,BLACK OXIDE COATED,CYLINDRICAL,SERRATED;0.391 IN. MAJOR OD;0.250 IN. ID;0.478 IN. LG;TWO PIN HOLES 0.078 IN. DIA LOCATED 0.094 IN. FROM END TO HOLE CENTER,180 DEGREES APART;0.385 IN. MINOR OD OF ITEM IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4730-00-055-2973 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.