NSN 4140-01-140-0197 · NIIN 011400197 · Part number 54OR105G02
Spencer Industries Inc · FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 21530
Government record, cited
NSN 4140-01-140-0197 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-140-0197. Manufacturer of record part number: 54OR105G02.
Also searched as4140-01-140-0197 ·
4140011400197 ·
NIIN 011400197 ·
01-140-0197 ·
FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 21530 · 54OR105G02 · 540R105G01 · 540R105G02
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
Primary part number: 54OR105G02
Manufacturer: Spencer Industries Inc
General Description
The Air Switch Assembly, cataloged under National Stock Number 4140-01-140-0197, 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 Spencer Industries Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Air Switch Assembly
FSC / FSG
4140 — Fans, Air Circulators, and Blower Equipment (FSG 41)
Manufacturers
Spencer Industries Inc (CAGE 21530)
Technical Specifications
Parameter
Value
NSN
4140-01-140-0197
Primary Part Number
54OR105G02
Item Name
Air Switch Assembly
FSC / FSG
4140 / 41 — Fans, Air Circulators, and Blower Equipment
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 4140-01-140-0197?
NSN 4140-01-140-0197 is a Air Switch Assembly, manufactured by Spencer Industries Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
What part numbers are listed for NSN 4140-01-140-0197?
NSN 4140-01-140-0197 has 1 manufacturer part number on file: 54OR105G02 (Spencer Industries Inc).
Is NSN 4140-01-140-0197 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.