NSN 4730-01-191-5138 · NIIN 011915138 · Part number LD273-0328-0004
The Boeing Company Div Legacy Am&m · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 43999
Government record, cited
NSN 4730-01-191-5138 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-191-5138. Manufacturer of record part number: LD273-0328-0004.
Also searched as4730-01-191-5138 ·
4730011915138 ·
NIIN 011915138 ·
01-191-5138 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 43999 · LD273-0328-0004
Nearby stock numbers← 4730-01-191-5129 Adapter, Straight, Flange to Boss
·
4730-01-191-5139 Coupling Half, Quick Disconnect →
4730-01-191-5138 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Plug,tube Fitting,threaded — FSC 4730
Connection Style: FLARED
Material Document and Classification: AMS 6526 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Direction: RIGHT-HAND EXTERNAL
Nominal Thread Size: 0.250 INCHES EXTERNAL IN
Seat Angle: 45.0 DEGREES
Thread Class: 3A EXTERNAL A
Material: STEEL OVERALL
Identification
NSN: 4730-01-191-5138
NIIN: 011915138
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: LD273-0328-0004
Manufacturer: The Boeing Company Div Legacy Am&m
General Description
The Plug,tube Fitting,threaded, cataloged under National Stock Number 4730-01-191-5138, 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 The Boeing Company Div Legacy Am&m. 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.
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 4730-01-191-5138?
NSN 4730-01-191-5138 is a Plug,tube Fitting,threaded, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-191-5138?
NSN 4730-01-191-5138 has 1 manufacturer part number on file: LD273-0328-0004 (The Boeing Company Div Legacy Am&m).
What are the specifications of LD273-0328-0004?
Key specifications for LD273-0328-0004: Connection Style: FLARED; Material Document and Classification: AMS 6526 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 0.250 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND EXTERNAL. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-191-5138 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.