PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S40-2Guard,fan Impeller

Green Source, Inc · NSN 4140-01-658-6870 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-658-6870 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-658-6870. Primary manufacturer part number: S40-2.
Features
  • Guard,fan Impeller — FSC 4140
  • Surface Treatment: CHROMATE
  • Body Material: STEEL
  • Shape: IRREGULAR
  • 1 verified cross-reference
  • Primary manufacturer: Green Source, Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Guard,fan Impeller, cataloged under National Stock Number 4140-01-658-6870, 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 Green Source, Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-01-658-6870
Primary Part NumberS40-2
Item NameGuard,fan Impeller
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerGreen Source, Inc
StatusACTIVE
Surface TreatmentCHROMATE
Body MaterialSTEEL
ShapeIRREGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-155-8432 INTERCHANGEABLE
Bearing,ball,annular
5999-00-443-9429 INTERCHANGEABLE
Magnet,permanent
6210-00-469-6996 INTERCHANGEABLE
Lens,light
6130-00-885-3781 INTERCHANGEABLE
Rectifier,metallic
5360-01-147-5017S-402 INTERCHANGEABLE
Spring,helical,compression
Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp.
1005-01-302-6776 INTERCHANGEABLE
Extractor,cartridge
Cross-Reference Index
Part NumberManufacturer
S40-2 PRIMARY Green Source, Inc (USA)
Related Parts
3110-00-155-8432INTERCHANGEABLE
BEARING,BALL,ANNULAR
5999-00-443-9429INTERCHANGEABLE
MAGNET,PERMANENT
6210-00-469-6996INTERCHANGEABLE
LENS,LIGHT
6130-00-885-3781INTERCHANGEABLE
RECTIFIER,METALLIC
5360-01-147-5017INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
S-402
1005-01-302-6776INTERCHANGEABLE
EXTRACTOR,CARTRIDGE

Frequently Asked Questions

What is NSN 4140-01-658-6870?

NSN 4140-01-658-6870 is a Guard,fan Impeller, manufactured by Green Source, Inc, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-658-6870?

NSN 4140-01-658-6870 has 1 cross-referenced part number: S40-2 (Green Source, Inc).

What NSN replaces 4140-01-658-6870?

There are 6 known substitutes for 4140-01-658-6870: 3110-00-155-8432, 5999-00-443-9429, 6210-00-469-6996 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S40-2?

Key specifications for S40-2: Surface Treatment: CHROMATE; Part Name Assigned by Controlling Agency: FAN GUARD; Special Features: WELD JOINTS TO WITHSTAND 88 POUNDS OF PULL FORCE LBS; Body Material: STEEL. 5 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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