PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10-52221Guard,fan Impeller

Department of Defense Project Manager-Mobile Electric Power · NSN 4140-01-610-6649 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-610-6649 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-610-6649. Primary manufacturer part number: 10-52221.
Features
  • Guard,fan Impeller — FSC 4140
  • 2 verified cross-references
  • Primary manufacturer: Department of Defense Project Manager-Mobile Electric Power
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Guard,fan Impeller, cataloged under National Stock Number 4140-01-610-6649, 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 Department of Defense Project Manager-Mobile Electric Power. 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.

Catalog Facts
Item NameGuard,fan Impeller
FSC / FSG4140 — No Item Name Available (FSG 41)
ManufacturersMainstream Engineering Corp (CAGE 0A0B7); Department of Defense Project Manager-Mobile Electric Power (CAGE 30554)
Technical Specifications
ParameterValue
NSN4140-01-610-6649
Primary Part Number10-52221
Item NameGuard,fan Impeller
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerDepartment of Defense Project Manager-Mobile Electric Power
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5940-00-557-4398 INTERCHANGEABLE
Terminal,lug
6515-01-561-51711269 INTERCHANGEABLE
Sensor,pulse Oxygen
Masimo Corporation
Cross-Reference Index
Part NumberManufacturer
10-52221 Mainstream Engineering Corp (USA)
10-52221 PRIMARY Department of Defense Project Manager-Mobile Electric Power (USA)
Related Parts
5940-00-557-4398INTERCHANGEABLE
TERMINAL,LUG
6515-01-561-5171INTERCHANGEABLE
SENSOR,PULSE OXYGEN
1269

Frequently Asked Questions

What is NSN 4140-01-610-6649?

NSN 4140-01-610-6649 is a Guard,fan Impeller, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-610-6649?

NSN 4140-01-610-6649 has 2 cross-referenced part numbers: 10-52221 (Mainstream Engineering Corp), 10-52221 (Department of Defense Project Manager-Mobile Electric Power).

What NSN replaces 4140-01-610-6649?

There are 2 known substitutes for 4140-01-610-6649: 5940-00-557-4398, 6515-01-561-5171. Verify interchangeability with system specifications before substitution.

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