NSN 4730-00-312-2271 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-312-2271. Manufacturer of record part number: 171441.
Also searched as4730-00-312-2271 ·
4730003122271 ·
NIIN 003122271 ·
00-312-2271 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 27996 · 171441
4730-00-312-2271 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Union,tube — FSC 4730
1 manufacturer part number on file
Manufacturer of record: Heil Environmental Industries
Identification
NSN: 4730-00-312-2271
NIIN: 003122271
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 171441
Manufacturer: Heil Environmental Industries
General Description
The Union,tube, cataloged under National Stock Number 4730-00-312-2271, 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 Heil Environmental Industries. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
NSN 4730-00-312-2271 is a Union,tube, manufactured by Heil Environmental Industries, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-00-312-2271?
NSN 4730-00-312-2271 has 1 manufacturer part number on file: 171441 (Heil Environmental Industries).
What NSN replaces 4730-00-312-2271?
3 possible matches (shared part number, not a government interchangeability claim): 6685-00-401-0996, 3940-01-056-8384, 6750-01-427-1766. Verify interchangeability with system specifications before substitution.
Is NSN 4730-00-312-2271 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.