NSN 4730-01-445-3918 · NIIN 014453918 · Part number 75D271001-2021
The Boeing Company Div Defense · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 76301
Government record, cited
NSN 4730-01-445-3918 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-445-3918. Manufacturer of record part number: 75D271001-2021.
Also searched as4730-01-445-3918 ·
4730014453918 ·
NIIN 014453918 ·
01-445-3918 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 76301 · 75D271001-2021 · 75D271001
4730-01-445-3918 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Cap,tube — FSC 4730
Tube Outside Diameter for Which Designed: 2.500 INCHES NOMINAL IN
Style Designator: CAP, TUBE COUPLING, GASKET SEAL
Material Document and Classification: ASTMA582 CL 303 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface Treatment: PASSIVATE OVERALL
Material: STEEL COMP 303 OVERALL
1 manufacturer part number on file
Manufacturer of record: The Boeing Company Div Defense
Identification
NSN: 4730-01-445-3918
NIIN: 014453918
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 75D271001-2021
Manufacturer: The Boeing Company Div Defense
General Description
The Cap,tube, cataloged under National Stock Number 4730-01-445-3918, 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 Defense. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
NSN 4730-01-445-3918 is a Cap,tube, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-445-3918?
NSN 4730-01-445-3918 has 1 manufacturer part number on file: 75D271001-2021 (The Boeing Company Div Defense).
What NSN replaces 4730-01-445-3918?
4 possible matches (shared part number, not a government interchangeability claim): 4730-01-445-3921, 4730-01-445-3927, 4730-01-445-3943. Verify interchangeability with system specifications before substitution.
What are the specifications of 75D271001-2021?
Key specifications for 75D271001-2021: Tube Outside Diameter for Which Designed: 2.500 INCHES NOMINAL IN; Style Designator: CAP, TUBE COUPLING, GASKET SEAL; Material Document and Classification: ASTMA582 CL 303 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: PASSIVATE OVERALL. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-445-3918 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.