PartsTable TECHNICAL DATA SHEET
NSN 4140-01-660-7943Government record, cited

Fan, Centrifugal4140-01-660-7943

NSN 4140-01-660-7943 · NIIN 016607943 · Part number 2LY91
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 4140-01-660-7943 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-660-7943. Manufacturer of record part number: 2LY91.
Also searched as  4140-01-660-7943 · 4140016607943 · NIIN 016607943 · 01-660-7943 · FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 25795 · 2LY91
Nearby stock numbers  ·
Features
  • Fan,centrifugal — FSC 4140
  • Speed Adjustments: THREE SPEED
  • Inclosure Type: GUARDED
  • Drive Type: DIRECT
  • Prime Mover Power Rating: 0.16 HORSEPOWER
  • Height: 19.0 INCHES NOMINAL IN
  • Width: 22.0 INCHES NOMINAL IN
  • Prime Mover Type: ELECTRIC MOTOR
Identification
  • NSN: 4140-01-660-7943
  • NIIN: 016607943
  • FSC: 4140 — Fans, Air Circulators, and Blower Equipment
  • FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
  • Primary part number: 2LY91
  • Manufacturer: W.w. Grainger, Inc. Div Government Sales Division
General Description

The Fan,centrifugal, cataloged under National Stock Number 4140-01-660-7943, 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 7 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
NSN4140-01-660-7943
Primary Part Number2LY91
Item NameFan,centrifugal
FSC / FSG4140 / 41 — Fans, Air Circulators, and Blower Equipment
ManufacturerW.w. Grainger, Inc. Div Government Sales Division
StatusACTIVE
Speed AdjustmentsTHREE SPEED
Inclosure TypeGUARDED
Drive TypeDIRECT
Prime Mover Power Rating0.16 HORSEPOWER
Height19.0 INCHES NOMINAL IN
Width22.0 INCHES NOMINAL IN
Prime Mover TypeELECTRIC MOTOR
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
2LY91 PRIMARY W.w. Grainger, Inc. Div Government Sales Division (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 4140-01-660-7943?

NSN 4140-01-660-7943 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 4140-01-660-7943?

NSN 4140-01-660-7943 has 1 manufacturer part number on file: 2LY91 (W.w. Grainger, Inc. Div Government Sales Division).

What are the specifications of 2LY91?

Key specifications for 2LY91: Speed Adjustments: THREE SPEED; Inclosure Type: GUARDED; Drive Type: DIRECT; Prime Mover Power Rating: 0.16 HORSEPOWER. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4140-01-660-7943 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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