PartsTable TECHNICAL DATA SHEET
NSN 4140-01-707-6706Government record, cited

Fan Assembly, Centrifugal4140-01-707-6706

NSN 4140-01-707-6706 · NIIN 017076706 · Part number 2RB70
Grainger Integrated Supply Div Grainger Integrated Supply · FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 3B4A8
Government record, cited
NSN 4140-01-707-6706 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-707-6706. Manufacturer of record part number: 2RB70.
Also searched as  4140-01-707-6706 · 4140017076706 · NIIN 017076706 · 01-707-6706 · FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 3B4A8 · 2RB70
Nearby stock numbers  ·
Features
  • Fan Assembly,centrifugal — FSC 4140
  • Component Document Page Number: 2965
  • Unpackaged Unit Length: 29.00 INCHES NOMINAL IN
  • Component Document Origin: INDUSTRIAL
  • Unpackaged Unit Width: 29.00 INCHES NOMINAL IN
  • Unpackaged Unit Height: 11.7500 INCHES NOMINAL IN
  • Document Source: 3B4A8
  • 1 manufacturer part number on file
Identification
  • NSN: 4140-01-707-6706
  • NIIN: 017076706
  • FSC: 4140 — Fans, Air Circulators, and Blower Equipment
  • FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
  • Primary part number: 2RB70
  • Manufacturer: Grainger Integrated Supply Div Grainger Integrated Supply
General Description

The Fan Assembly,centrifugal, cataloged under National Stock Number 4140-01-707-6706, 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 Grainger Integrated Supply Div Grainger Integrated Supply. Government technical data includes 6 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
NSN4140-01-707-6706
Primary Part Number2RB70
Item NameFan Assembly,centrifugal
FSC / FSG4140 / 41 — Fans, Air Circulators, and Blower Equipment
ManufacturerGrainger Integrated Supply Div Grainger Integrated Supply
StatusACTIVE
Component Document Page Number2965
Unpackaged Unit Length29.00 INCHES NOMINAL IN
Component Document OriginINDUSTRIAL
Unpackaged Unit Width29.00 INCHES NOMINAL IN
Unpackaged Unit Height11.7500 INCHES NOMINAL IN
Document Source3B4A8
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
2RB70 PRIMARY Grainger Integrated Supply Div Grainger Integrated Supply (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 4140-01-707-6706?

NSN 4140-01-707-6706 is a Fan Assembly,centrifugal, manufactured by Grainger Integrated Supply Div Grainger Integrated Supply, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.

What part numbers are listed for NSN 4140-01-707-6706?

NSN 4140-01-707-6706 has 1 manufacturer part number on file: 2RB70 (Grainger Integrated Supply Div Grainger Integrated Supply).

What are the specifications of 2RB70?

Key specifications for 2RB70: Component Document Page Number: 2965; Unpackaged Unit Length: 29.00 INCHES NOMINAL IN; Component Document Origin: INDUSTRIAL; Unpackaged Unit Width: 29.00 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4140-01-707-6706 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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