NSN 4730-00-433-0751 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-433-0751. Manufacturer of record part number: 21XB0093-1.
Also searched as4730-00-433-0751 ·
4730004330751 ·
NIIN 004330751 ·
00-433-0751 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 04638 · 21XB0093-1
4730-00-433-0751 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Nut,tube Coupling — FSC 4730
Length to Shoulder: 0.440 INCHES NOMINAL IN
Width Across Flats: 0.500 INCHES NOMINAL IN
Thread Series: UNF
Seat Angle: 0.30 DEGREES NOMINAL
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.438 INCHES IN
Nut Height: 0.630 INCHES NOMINAL IN
Identification
NSN: 4730-00-433-0751
NIIN: 004330751
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 21XB0093-1
Manufacturer: Transdigm Inc
General Description
The Nut,tube Coupling, cataloged under National Stock Number 4730-00-433-0751, 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 Transdigm Inc. Government technical data includes 14 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 4730-00-433-0751?
NSN 4730-00-433-0751 is a Nut,tube Coupling, manufactured by Transdigm Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-00-433-0751?
NSN 4730-00-433-0751 has 1 manufacturer part number on file: 21XB0093-1 (Transdigm Inc).
What are the specifications of 21XB0093-1?
Key specifications for 21XB0093-1: Length to Shoulder: 0.440 INCHES NOMINAL IN; Width Across Flats: 0.500 INCHES NOMINAL IN; Thread Series: UNF; Seat Angle: 0.30 DEGREES NOMINAL. 14 specifications are documented in the U.S. Government catalog.
Is NSN 4730-00-433-0751 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.