Terminal, Ventilation Duct4520-01-066-3650

NSN 4520-01-066-3650 · NIIN 010663650

FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal

Government record, cited

Also searched as 4520-01-066-3650 · 4520010663650 · NIIN 010663650 · 01-066-3650 · FSC 4520 Space and Water Heating Equipment · 50-10IN · TF-50-10IN

Nearby stock numbers ← 4520-01-066-3648 · 4520-01-066-4163 →

Features

Terminal,ventilation Duct — FSC 4520
Style Designator: STRAIGHT
Length: 13.000 INCHES IN
Damper: INCLUDED
Material: STEEL
End Attachment Diameter: 10.000 INCHES NOMINAL IN

Identification

NSN: 4520-01-066-3650
NIIN: 010663650
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal

General Description

The Terminal,ventilation Duct, cataloged under National Stock Number 4520-01-066-3650, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4520-01-066-3650
Item Name	Terminal,ventilation Duct
FSC / FSG	4520 / 45 — Space and Water Heating Equipment
Status	ACTIVE
Style Designator	STRAIGHT
Length	13.000 INCHES IN
Damper	INCLUDED
Material	STEEL
End Attachment Diameter	10.000 INCHES NOMINAL IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
50-10IN	5/9 Secondary reference United Mcgill Corp
TF-50-10IN	3/9 Design control — primary reference United Mcgill Corp

No interchangeability data on file.

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 4520-01-066-3650?

NSN 4520-01-066-3650 is a Terminal,ventilation Duct, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What are the specifications of 4520-01-066-3650?

Key specifications for 4520-01-066-3650: Style Designator: STRAIGHT; Length: 13.000 INCHES IN; Damper: INCLUDED; Material: STEEL. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4520-01-066-3650 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.

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