NSN 4520-01-660-8564 · NIIN 016608564 · Part number 04-21639
Department of Defense Project Manager-Mobile Electric Power · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 30554
Government record, cited
NSN 4520-01-660-8564 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-660-8564. Manufacturer of record part number: 04-21639.
Also searched as4520-01-660-8564 ·
4520016608564 ·
NIIN 016608564 ·
01-660-8564 ·
FSC 4520 Space and Water Heating Equipment · CAGE 30554 · 04-21639
Manufacturer of record: Department of Defense Project Manager-Mobile Electric Power
Identification
NSN: 4520-01-660-8564
NIIN: 016608564
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 04-21639
Manufacturer: Department of Defense Project Manager-Mobile Electric Power
General Description
The Adapter,air Conditioning-Heating, cataloged under National Stock Number 4520-01-660-8564, 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 Department of Defense Project Manager-Mobile Electric Power. Government technical data includes 2 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.
Technical Specifications
Parameter
Value
NSN
4520-01-660-8564
Primary Part Number
04-21639
Item Name
Adapter,air Conditioning-Heating
FSC / FSG
4520 / 45 — Space and Water Heating Equipment
Manufacturer
Department of Defense Project Manager-Mobile Electric Power
NSN 4520-01-660-8564 is a Adapter,air Conditioning-Heating, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-660-8564?
NSN 4520-01-660-8564 has 1 manufacturer part number on file: 04-21639 (Department of Defense Project Manager-Mobile Electric Power).
What are the specifications of 04-21639?
Key specifications for 04-21639: Overall Diameter: 326.00 MILLIMETERS NOMINAL MM; Overall Length: 70.80 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: TUBE, AIR INLET; Material: STEEL. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4520-01-660-8564 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.