FSC: 4150 — Vortex Tubes and Other Related Cooling Tubes
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
General Description
The Keyer Assembly, cataloged under National Stock Number 4150-01-626-2298, is classified within Federal Supply Class 4150 (Vortex Tubes and Other Related Cooling Tubes) of the Refrigeration, AC, and Air Circulating Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Keyer Assembly
FSC / FSG
4150 — Vortex Tubes and Other Related Cooling Tubes (FSG 41)
Technical Specifications
Parameter
Value
NSN
4150-01-626-2298
Item Name
Keyer Assembly
FSC / FSG
4150 / 41 — Vortex Tubes and Other Related Cooling Tubes
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL D — Destroy Item
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
38851-42144-20
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 4150 — Vortex Tubes and Other Related Cooling Tubes
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4150-01-536-4753
COOLING TUBE,VORTEX
4150-01-593-9836
ALTENATOR COOL,SPEC
4150-01-598-5714
COOLING TUBE,VORTEX
4150-01-644-1418
COOLING TUBE,VORTEX
4150-01-665-8336
GUARD,VORTEX TUBE
4150-01-696-5790
FAN,EVAPORATOR
4150-01-709-1655
COOLING TUBE,VORTEX
Frequently Asked Questions
What is NSN 4150-01-626-2298?
NSN 4150-01-626-2298 is a Keyer Assembly, classified under FSC 4150, Vortex Tubes and Other Related Cooling Tubes. Status: active.
Is NSN 4150-01-626-2298 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.
What is the DEMIL code for NSN 4150-01-626-2298?
NSN 4150-01-626-2298 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.