NSN 4140-01-066-6891 · NIIN 010666891 · Part number 1C791
W.w. Grainger, Inc. Div Government Sales Division · FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 25795
Government record, cited
NSN 4140-01-066-6891 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-066-6891. Manufacturer of record part number: 1C791.
Also searched as4140-01-066-6891 ·
4140010666891 ·
NIIN 010666891 ·
01-066-6891 ·
FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 25795 · 1C791 · CDK91118
Nearby stock numbers← 4140-01-066-4681 Fan Assembly
·
4140-01-066-6994 →
Features
Fan,centrifugal — FSC 4140
Outlet Location: TOP
Length: 10.000 INCHES MINIMUM IN
Quantity: 1
Style Designator: FIXED, RECTANGULAR OUTLETS
Discharge Direction: HORIZONTAL
Height: 15.330 INCHES MAXIMUM IN
Width: 13.300 INCHES MINIMUM AND 15.300 INCHES MAXIMUM IN
Identification
NSN: 4140-01-066-6891
NIIN: 010666891
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
Primary part number: 1C791
Manufacturer: W.w. Grainger, Inc. Div Government Sales Division
General Description
The Fan,centrifugal, cataloged under National Stock Number 4140-01-066-6891, 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 W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4140-01-066-6891
Primary Part Number
1C791
Item Name
Fan,centrifugal
FSC / FSG
4140 / 41 — Fans, Air Circulators, and Blower Equipment
Manufacturer
W.w. Grainger, Inc. Div Government Sales Division
Status
ACTIVE
Outlet Location
TOP
Length
10.000 INCHES MINIMUM IN
Quantity
1
Style Designator
FIXED, RECTANGULAR OUTLETS
Discharge Direction
HORIZONTAL
Height
15.330 INCHES MAXIMUM IN
Width
13.300 INCHES MINIMUM AND 15.300 INCHES MAXIMUM IN
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 4140-01-066-6891?
NSN 4140-01-066-6891 is a Fan,centrifugal, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
What part numbers are listed for NSN 4140-01-066-6891?
NSN 4140-01-066-6891 has 2 manufacturer part numbers on file: 1C791 (W.w. Grainger, Inc. Div Government Sales Division), CDK91118 (Carrier Corp).
What are the specifications of 1C791?
Key specifications for 1C791: Outlet Location: TOP; Length: 10.000 INCHES MINIMUM IN; Quantity: 1; Style Designator: FIXED, RECTANGULAR OUTLETS. 10 specifications are documented in the U.S. Government catalog.
Is NSN 4140-01-066-6891 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 4140-01-066-6891?
NSN 4140-01-066-6891 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.