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NSN 4140-01-495-1979Government record, cited

Blower, Air Barrier4140-01-495-1979

NSN 4140-01-495-1979 · NIIN 014951979 · Part number K2BB49
Kooltronic, Inc. · FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 06223
Government record, cited
NSN 4140-01-495-1979 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-495-1979. Manufacturer of record part number: K2BB49.
Also searched as  4140-01-495-1979 · 4140014951979 · NIIN 014951979 · 01-495-1979 · FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 06223 · K2BB49
Nearby stock numbers  ·
Features
  • Blower,air Barrier — FSC 4140
  • Electric Motor Quantity: 1
  • Maximum Air Capacity in Cubic Feet Per Minute: 425.0
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
  • Material: STEEL
  • Voltage Rating: 230.0 VOLTS NOMINAL
  • 1 manufacturer part number on file
  • Manufacturer of record: Kooltronic, Inc.
Identification
  • NSN: 4140-01-495-1979
  • NIIN: 014951979
  • FSC: 4140 — Fans, Air Circulators, and Blower Equipment
  • FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
  • Primary part number: K2BB49
  • Manufacturer: Kooltronic, Inc.
General Description

The Blower,air Barrier, cataloged under National Stock Number 4140-01-495-1979, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Kooltronic, Inc.. Government technical data includes 5 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
ParameterValue
NSN4140-01-495-1979
Primary Part NumberK2BB49
Item NameBlower,air Barrier
FSC / FSG4140 / 41 — Fans, Air Circulators, and Blower Equipment
ManufacturerKooltronic, Inc.
StatusACTIVE
Electric Motor Quantity1
Maximum Air Capacity in Cubic Feet Per Minute425.0
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
MaterialSTEEL
Voltage Rating230.0 VOLTS NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
K2BB49 PRIMARY Kooltronic, Inc. (USA)
No interchangeability data on file.
Other items in FSC 4140 — Fans, Air Circulators, and Blower Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4140-00-000-0082
IMPELLER,FAN,AXIAL
4140-00-001-1517
FAN,CENTRIFUGAL
4140-00-001-1536
FAN,VENTILATING
4140-00-001-1537
4140-00-001-1537 · Item name not on file
4140-00-001-3930
4140-00-001-3930 · Item name not on file
4140-00-001-6464
4140-00-001-6464 · Item name not on file
4140-00-001-6874
4140-00-001-6874 · Item name not on file
4140-00-001-6875
4140-00-001-6875 · Item name not on file

Frequently Asked Questions

What is NSN 4140-01-495-1979?

NSN 4140-01-495-1979 is a Blower,air Barrier, manufactured by Kooltronic, Inc., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.

What part numbers are listed for NSN 4140-01-495-1979?

NSN 4140-01-495-1979 has 1 manufacturer part number on file: K2BB49 (Kooltronic, Inc.).

What are the specifications of K2BB49?

Key specifications for K2BB49: Overall Height: 8.190 INCHES NOMINAL IN; Overall Length: 10.500 INCHES NOMINAL IN; Overall Width: 7.310 INCHES NOMINAL IN; Electric Motor Quantity: 1. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4140-01-495-1979 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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