PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

476042Guard,fan Impeller

Dynalec Corporation · NSN 4140-01-492-6710 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-492-6710 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-492-6710. Primary manufacturer part number: 476042.
Features
  • Guard,fan Impeller — FSC 4140
  • 1 verified cross-reference
  • Primary manufacturer: Dynalec Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Guard,fan Impeller, cataloged under National Stock Number 4140-01-492-6710, 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 Dynalec Corporation. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 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)
ManufacturersDynalec Corporation (CAGE 12763)
Technical Specifications
ParameterValue
NSN4140-01-492-6710
Primary Part Number476042
Item NameGuard,fan Impeller
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerDynalec Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1730-00-022-89234-76042-1 INTERCHANGEABLE
Pin,warning Streamer
Northrop Grumman Systems Corporation
4140-00-227-8228272261 INTERCHANGEABLE
Guard,fan Impeller
Rotron Incorporated
4140-01-298-37515336459 INTERCHANGEABLE
Guard,fan Impeller
Naval Sea Systems Command
6550-01-461-66660001B79 INTERCHANGEABLE
Ion Selective Electrode Diluent
Arthur H. Thomas Company
5930-01-462-8596476042 INTERCHANGEABLE
Guard,switch
Raytheon Company Dba Raytheon Co
Cross-Reference Index
Part NumberManufacturer
476042 PRIMARY Dynalec Corporation (USA)
Related Parts
1730-00-022-8923INTERCHANGEABLE
PIN,WARNING STREAMER
4-76042-1
4140-00-227-8228INTERCHANGEABLE
GUARD,FAN IMPELLER
272261
4140-01-298-3751INTERCHANGEABLE
GUARD,FAN IMPELLER
5336459
6550-01-461-6666INTERCHANGEABLE
ION SELECTIVE ELECTRODE DILUENT
0001B79
5930-01-462-8596INTERCHANGEABLE
GUARD,SWITCH
476042

Frequently Asked Questions

What is NSN 4140-01-492-6710?

NSN 4140-01-492-6710 is a Guard,fan Impeller, manufactured by Dynalec Corporation, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-492-6710?

NSN 4140-01-492-6710 has 1 cross-referenced part number: 476042 (Dynalec Corporation).

What NSN replaces 4140-01-492-6710?

There are 5 known substitutes for 4140-01-492-6710: 1730-00-022-8923, 4140-00-227-8228, 4140-01-298-3751 and 2 more. Verify interchangeability with system specifications before substitution.

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