NSN 4730-01-374-7129 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-374-7129. Manufacturer of record part number: U540027.
Also searched as4730-01-374-7129 ·
4730013747129 ·
NIIN 013747129 ·
01-374-7129 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 78943 · U540027
Nearby stock numbers← 4730-01-374-7128 Outlet, Boss
·
4730-01-374-7130 Outlet, Boss →
4730-01-374-7129 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Outlet,boss — FSC 4730
Mounting End Type: CONCAVE
Connection Style: GASKET SEAL (BOSS) FIRST END
Nominal Overall Length: 1.690 INCHES IN
Connection Type: THREADED INTERNAL BOSS FIRST END
Style Designator: PLAIN
Material Document and Classification: AMS4150 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Outside Diameter Tube Accommodated: 0.500 INCHES FIRST END IN
Identification
NSN: 4730-01-374-7129
NIIN: 013747129
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: U540027
Manufacturer: Triumph Thermal Systems, Llc
General Description
The Outlet,boss, cataloged under National Stock Number 4730-01-374-7129, 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 Triumph Thermal Systems, Llc. Government technical data includes 11 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 4730-01-374-7129?
NSN 4730-01-374-7129 is a Outlet,boss, manufactured by Triumph Thermal Systems, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-374-7129?
NSN 4730-01-374-7129 has 1 manufacturer part number on file: U540027 (Triumph Thermal Systems, Llc).
What are the specifications of U540027?
Key specifications for U540027: Mounting End Type: CONCAVE; Connection Style: GASKET SEAL (BOSS) FIRST END; Nominal Overall Length: 1.690 INCHES IN; Connection Type: THREADED INTERNAL BOSS FIRST END. 11 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-374-7129 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.