Heater, Ventilation, Duct Type4520-01-608-1975

NSN 4520-01-608-1975 · NIIN 016081975 · Part number 112149118

Bird-Johnson Propeller Company, Llc · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 07309

Government record, cited

NSN 4520-01-608-1975 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-608-1975. Manufacturer of record part number: 112149118.

Also searched as 4520-01-608-1975 · 4520016081975 · NIIN 016081975 · 01-608-1975 · FSC 4520 Space and Water Heating Equipment · CAGE 07309 · 112149118

Nearby stock numbers ← 4520-01-608-1156 Damper, Flue · 4520-01-608-2503 Heating Element, Electrical, Immer →

Features

Heater,ventilation,duct Type — FSC 4520
1 manufacturer part number on file
Manufacturer of record: Bird-Johnson Propeller Company, Llc

Identification

NSN: 4520-01-608-1975
NIIN: 016081975
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 112149118
Manufacturer: Bird-Johnson Propeller Company, Llc

General Description

The Heater,ventilation,duct Type, cataloged under National Stock Number 4520-01-608-1975, 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 Bird-Johnson Propeller Company, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Heater,ventilation,duct Type
FSC / FSG	4520 — Space and Water Heating Equipment (FSG 45)
Manufacturers	Bird-Johnson Propeller Company, Llc (CAGE 07309)

Technical Specifications

Parameter	Value
NSN	4520-01-608-1975
Primary Part Number	112149118
Item Name	Heater,ventilation,duct Type
FSC / FSG	4520 / 45 — Space and Water Heating Equipment
Manufacturer	Bird-Johnson Propeller Company, Llc
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
112149118 PRIMARY	Bird-Johnson Propeller Company, Llc (USA)

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 4520-01-608-1975?

NSN 4520-01-608-1975 is a Heater,ventilation,duct Type, manufactured by Bird-Johnson Propeller Company, Llc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.

What part numbers are listed for NSN 4520-01-608-1975?

NSN 4520-01-608-1975 has 1 manufacturer part number on file: 112149118 (Bird-Johnson Propeller Company, Llc).

Is NSN 4520-01-608-1975 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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