PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3131Blade,rotor

Thomas C. Wilson, Inc. Dba Thomas C Wilson · NSN 4940-00-391-4573 · FSC 4940 · No Item Name Available
Verified by PartsTable
NSN 4940-00-391-4573 — this item is cataloged by the U.S. Government under National Stock Number 4940-00-391-4573. Primary manufacturer part number: 3131.
Features
  • Blade,rotor — FSC 4940
  • 1 verified cross-reference
  • Primary manufacturer: Thomas C. Wilson, Inc. Dba Thomas C Wilson
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Blade,rotor, cataloged under National Stock Number 4940-00-391-4573, is classified within Federal Supply Class 4940 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Thomas C. Wilson, Inc. Dba Thomas C Wilson. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBlade,rotor
FSC / FSG4940 — No Item Name Available (FSG 49)
ManufacturersThomas C. Wilson, Inc. Dba Thomas C Wilson (CAGE 66042)
Technical Specifications
ParameterValue
NSN4940-00-391-4573
Primary Part Number3131
Item NameBlade,rotor
FSC / FSG4940 / 49 — No Item Name Available
ManufacturerThomas C. Wilson, Inc. Dba Thomas C Wilson
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6110-00-161-41153131 INTERCHANGEABLE
Regulator,voltage
N H Research, Llc Dba Nh Research Llc
2520-00-214-26441908282-5 INTERCHANGEABLE
Disk,clutch,vehicular
Manitowoc Engineering Co Division of the Manitowoc Co Inc
5306-00-638-77743131 INTERCHANGEABLE
Bolt,eye
Telemechanics Inc
5985-01-018-26213131 INTERCHANGEABLE
Coupler,rotary,radio Frequency
Frontgrade Technologies Inc.
4910-01-144-8059 INTERCHANGEABLE
Test Set,generator and Voltage R
3040-01-145-5659 INTERCHANGEABLE
Cam,control
5915-01-325-1766217-0050-010 INTERCHANGEABLE
Filter,high Pass
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5305-01-332-6303N193P1424J2 INTERCHANGEABLE
Screw,tapping
General Electric Co Mobile Communications Business Div
6850-01-495-0148E-2000 INTERCHANGEABLE
Chemical Remover
Mcgean-Rohco, Inc Div Cee-Bee Innovative Aviation Chemistry
Cross-Reference Index
Part NumberManufacturer
3131 Thomas C. Wilson, Inc. Dba Thomas C Wilson (USA)
Related Parts
6110-00-161-4115INTERCHANGEABLE
REGULATOR,VOLTAGE
3131
2520-00-214-2644INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
1908282-5
5306-00-638-7774INTERCHANGEABLE
BOLT,EYE
3131
5985-01-018-2621INTERCHANGEABLE
COUPLER,ROTARY,RADIO FREQUENCY
3131
4910-01-144-8059INTERCHANGEABLE
TEST SET,GENERATOR AND VOLTAGE R
3040-01-145-5659INTERCHANGEABLE
CAM,CONTROL
5915-01-325-1766INTERCHANGEABLE
FILTER,HIGH PASS
217-0050-010
5305-01-332-6303INTERCHANGEABLE
SCREW,TAPPING
N193P1424J2
6850-01-495-0148INTERCHANGEABLE
CHEMICAL REMOVER
E-2000

Frequently Asked Questions

What is NSN 4940-00-391-4573?

NSN 4940-00-391-4573 is a Blade,rotor, manufactured by Thomas C. Wilson, Inc. Dba Thomas C Wilson, classified under FSC 4940 (No Item Name Available). Status: active.

What are the part numbers for NSN 4940-00-391-4573?

NSN 4940-00-391-4573 has 1 cross-referenced part number: 3131 (Thomas C. Wilson, Inc. Dba Thomas C Wilson).

What NSN replaces 4940-00-391-4573?

There are 9 known substitutes for 4940-00-391-4573: 6110-00-161-4115, 2520-00-214-2644, 5306-00-638-7774 and 6 more. Verify interchangeability with system specifications before substitution.

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