PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42-124Test Set,generator and Voltage R

King Electronics and Mfg Co · NSN 4910-01-157-6457 · FSC 4910 · No Item Name Available
Verified by PartsTable
NSN 4910-01-157-6457 — this item is cataloged by the U.S. Government under National Stock Number 4910-01-157-6457. Primary manufacturer part number: 42-124.
Features
  • Test Set,generator and Voltage R — FSC 4910
  • Major Components: ADAPTER ASSEMBLY,CABLE; ALTERNATOR-GENERATOR MOUNTING VICE; REGULATOR MOUNTING BRACKET
  • Electrical Power Source Relationship: SELF-CONTAINED
  • Length: 22.000 INCHES NOMINAL IN
  • Test Type for Which Designed: ALTERNATOR; GENERATOR; REGULATOR
  • Height: 24.000 INCHES NOMINAL IN
  • Width: 21.000 INCHES NOMINAL IN
  • Enclosure Feature: SINGLE ITEM W/HOUSING
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Test Set,generator and Voltage R, cataloged under National Stock Number 4910-01-157-6457, is classified within Federal Supply Class 4910 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is King Electronics and Mfg Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4910-01-157-6457
Primary Part Number42-124
Item NameTest Set,generator and Voltage R
FSC / FSG4910 / 49 — No Item Name Available
ManufacturerKing Electronics and Mfg Co
StatusACTIVE
Major ComponentsADAPTER ASSEMBLY,CABLE; ALTERNATOR-GENERATOR MOUNTING VICE; REGULATOR MOUNTING BRACKET
Electrical Power Source RelationshipSELF-CONTAINED
Length22.000 INCHES NOMINAL IN
Test Type for Which DesignedALTERNATOR; GENERATOR; REGULATOR
Height24.000 INCHES NOMINAL IN
Width21.000 INCHES NOMINAL IN
Enclosure FeatureSINGLE ITEM W/HOUSING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-156-1921 INTERCHANGEABLE
Bearing,ball,thrust
3455-00-228-52961727-0500 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
5950-00-255-3498 INTERCHANGEABLE
Transformer,pulse
2940-00-283-21439-304-100026 INTERCHANGEABLE
Filter Element,intake Air Cleane
Grove U.s. Llc Dba Grove Us Llc
5999-00-472-5867 INTERCHANGEABLE
Heater,thermal Release
5325-00-985-3159 INTERCHANGEABLE
Insert,screw Thread
5930-01-150-160542-124AS-9-46 INTERCHANGEABLE
Switch,electrical
Applied Power Inc Power Packer
5998-01-185-4011FA10012-4 INTERCHANGEABLE
Circuit Card Assembly
U S Dept of Transportation Federal Aviation Administration
4810-01-229-551520325 INTERCHANGEABLE
Stem,fluid Valve
Real-Time Laboratories, Llc
6680-01-287-215342124 INTERCHANGEABLE
Gage Rod-Breather,liquid Level
Center - Moeller Products Llc
Cross-Reference Index
Part NumberManufacturer
42-124 King Electronics and Mfg Co (USA)
42-124 Applied Power Inc Power Packer (USA)
20-325 King Electronics and Mfg Co (USA)
Related Parts
3110-00-156-1921INTERCHANGEABLE
BEARING,BALL,THRUST
3455-00-228-5296INTERCHANGEABLE
CUTTER,MILLING,END
1727-0500
5950-00-255-3498INTERCHANGEABLE
TRANSFORMER,PULSE
2940-00-283-2143INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
9-304-100026
5999-00-472-5867INTERCHANGEABLE
HEATER,THERMAL RELEASE
5325-00-985-3159INTERCHANGEABLE
INSERT,SCREW THREAD
5930-01-150-1605INTERCHANGEABLE
SWITCH,ELECTRICAL
42-124AS-9-46
5998-01-185-4011INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
FA10012-4
4810-01-229-5515INTERCHANGEABLE
STEM,FLUID VALVE
20325
6680-01-287-2153INTERCHANGEABLE
GAGE ROD-BREATHER,LIQUID LEVEL
42124
5342-01-308-8080INTERCHANGEABLE
VENT,COVER
20325
4820-01-415-7237INTERCHANGEABLE
VALVE,SAFETY RELIEF

Frequently Asked Questions

What is NSN 4910-01-157-6457?

NSN 4910-01-157-6457 is a Test Set,generator and Voltage R, manufactured by King Electronics and Mfg Co, classified under FSC 4910 (No Item Name Available). Status: active.

What are the part numbers for NSN 4910-01-157-6457?

NSN 4910-01-157-6457 has 3 cross-referenced part numbers: 42-124 (King Electronics and Mfg Co), 42-124 (Applied Power Inc Power Packer), 20-325 (King Electronics and Mfg Co).

What NSN replaces 4910-01-157-6457?

There are 12 known substitutes for 4910-01-157-6457: 3110-00-156-1921, 3455-00-228-5296, 5950-00-255-3498 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42-124?

Key specifications for 42-124: Major Components: ADAPTER ASSEMBLY,CABLE; ALTERNATOR-GENERATOR MOUNTING VICE; REGULATOR MOUNTING BRACKET; Electrical Power Source Relationship: SELF-CONTAINED; Length: 22.000 INCHES NOMINAL IN; Test Type for Which Designed: ALTERNATOR; GENERATOR; REGULATOR. 7 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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