PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

919870Impeller,fan,centrifugal

Chrysler Realty Company Llc Dba Daimler Chrysler · NSN 4140-00-770-6731 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-770-6731 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-770-6731. Primary manufacturer part number: 919870.
Features
  • Impeller,fan,centrifugal — FSC 4140
  • Blade Quantity: 20
  • Attachment Method: KEYWAY
  • Style Designator: STRAIGHT RADIAL W/ BACK PLATE
  • Material: IRON CAST BLADE
  • Width: 1.078 INCHES NOMINAL IN
  • Diameter: 7.495 INCHES MINIMUM AND 7.505 INCHES MAXIMUM IN
  • 2 verified cross-references
Applications
  • Applications requiring Iron Cast Blade construction
General Description

The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-00-770-6731, is classified within Federal Supply Class 4140 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Chrysler Realty Company Llc Dba Daimler Chrysler. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-00-770-6731
Primary Part Number919870
Item NameImpeller,fan,centrifugal
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerChrysler Realty Company Llc Dba Daimler Chrysler
StatusACTIVE
Blade Quantity20
Attachment MethodKEYWAY
Style DesignatorSTRAIGHT RADIAL W/ BACK PLATE
MaterialIRON CAST BLADE
Width1.078 INCHES NOMINAL IN
Diameter7.495 INCHES MINIMUM AND 7.505 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2520-00-768-0743291 INTERCHANGEABLE
Disk,clutch,vehicular
Cmbf Products Inc
5999-01-422-2946770673-1 INTERCHANGEABLE
Contact,electrical
Te Connectivity Corporation
Cross-Reference Index
Part NumberManufacturer
7706731 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
919870 PRIMARY Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
Related Parts
2520-00-768-0743INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
291
5999-01-422-2946INTERCHANGEABLE
CONTACT,ELECTRICAL
770673-1

Frequently Asked Questions

What is NSN 4140-00-770-6731?

NSN 4140-00-770-6731 is a Impeller,fan,centrifugal, manufactured by Chrysler Realty Company Llc Dba Daimler Chrysler, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-00-770-6731?

NSN 4140-00-770-6731 has 2 cross-referenced part numbers: 7706731 (U S Army Tank Automotive Command Amsta-Im-Mm), 919870 (Chrysler Realty Company Llc Dba Daimler Chrysler).

What NSN replaces 4140-00-770-6731?

There are 2 known substitutes for 4140-00-770-6731: 2520-00-768-0743, 5999-01-422-2946. Verify interchangeability with system specifications before substitution.

What are the specifications of 919870?

Key specifications for 919870: Blade Quantity: 20; Attachment Method: KEYWAY; Style Designator: STRAIGHT RADIAL W/ BACK PLATE; Material: IRON CAST BLADE. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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