NSN 4730-01-388-2819 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-388-2819. Manufacturer of record part number: 1B4674.
Also searched as4730-01-388-2819 ·
4730013882819 ·
NIIN 013882819 ·
01-388-2819 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 77445 · 1B4674
4730-01-388-2819 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Adapter,straight,flange to Tube — FSC 4730
Flange Shape: RECTANGULAR WITH HOLES SECOND END
Connection Style: PLAIN (TUBE) FIRST END
Connection Type: FLANGE SECOND END
Connection Type: UNTHREADED EXTERNAL TUBE FIRST END
Material Document and Classification: AMS5646 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Outside Diameter Tube Accommodated: 2.000 INCHES FIRST END IN
Bolt Hole Quantity: 4 SECOND END
Identification
NSN: 4730-01-388-2819
NIIN: 013882819
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 1B4674
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-01-388-2819, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 8 specifications, 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.
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (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 4730-01-388-2819?
NSN 4730-01-388-2819 is a Adapter,straight,flange to Tube, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-388-2819?
NSN 4730-01-388-2819 has 1 manufacturer part number on file: 1B4674 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of 1B4674?
Key specifications for 1B4674: Flange Shape: RECTANGULAR WITH HOLES SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Connection Type: FLANGE SECOND END; Connection Type: UNTHREADED EXTERNAL TUBE FIRST END. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-388-2819 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.