NSN 4520-01-018-3419 · NIIN 010183419 · Part number 4VT
Masco Corp American Metal Products Co Div · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 34557
Government record, cited
NSN 4520-01-018-3419 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-018-3419. Manufacturer of record part number: 4VT.
Also searched as4520-01-018-3419 ·
4520010183419 ·
NIIN 010183419 ·
01-018-3419 ·
FSC 4520 Space and Water Heating Equipment · CAGE 34557 · 4VT
Nearby stock numbers← 4520-01-018-3418 Tee, Air Conditioning-Heating
·
4520-01-018-3640 Elbow, Air Conditioning-Heating →
Features
Tee,air Conditioning-Heating — FSC 4520
Style Designator: TEE
Sheet Metal Gage Size: 28
Main Trunk Inlet Diameter: 4.000 INCHES NOMINAL IN
First Branch Diameter: 4.000 INCHES NOMINAL IN
Surface Treatment: ZINC
Material: STEEL
1 manufacturer part number on file
Identification
NSN: 4520-01-018-3419
NIIN: 010183419
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 4VT
Manufacturer: Masco Corp American Metal Products Co Div
General Description
The Tee,air Conditioning-Heating, cataloged under National Stock Number 4520-01-018-3419, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Masco Corp American Metal Products Co Div. Government technical data includes 6 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 4520 — Space and Water Heating Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4520-00-000-0098
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-000-0099
4520-00-000-0099 · Item name not on file
4520-00-001-1240
4520-00-001-1240 · Item name not on file
4520-00-001-3518
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-3519
HEATING ELEMENT,ELECTRICAL,IMMER
4520-00-001-6052
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-6298
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-7726
HEATER,DUCT TYPE,PORTABLE
Frequently Asked Questions
What is NSN 4520-01-018-3419?
NSN 4520-01-018-3419 is a Tee,air Conditioning-Heating, manufactured by Masco Corp American Metal Products Co Div, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-018-3419?
NSN 4520-01-018-3419 has 1 manufacturer part number on file: 4VT (Masco Corp American Metal Products Co Div).
What are the specifications of 4VT?
Key specifications for 4VT: Style Designator: TEE; Sheet Metal Gage Size: 28; Main Trunk Inlet Diameter: 4.000 INCHES NOMINAL IN; First Branch Diameter: 4.000 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4520-01-018-3419 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.