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A4123 — RESISTOR,VARIABLE,NONWIRE WOUND,

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

A4123: RESISTOR,VARIABLE,NONWIRE WOUND,.

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: STEEL, shaft_style: ROUND, switch_type: ROTARY, shaft_length: 0.750 INCHES NOMINAL IN, actuator_type: SINGLE SHAFT, overall_width: 6.875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5905-00-192-2930, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ A4123
NSN: 5905-00-192-2930
NIINs: 001922930, 004736331
FSC: 5905 — Resistor
CAGE: 16300 — DAYTON ACME CO THE (USA)
SPECIFICATIONS
materialSTEEL
shaft_styleROUND
switch_typeROTARY
shaft_length0.750 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
overall_width6.875 INCHES NOMINAL IN
overall_length14.500 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL IN
mounting_methodSTANDARD BUSHING
section_quantity2
features_providedSWITCH
device_design_typeERR-030 AT 3:00 OCLOCKUNABLE TO DECODE
NSN5905-00-192-2930
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN A4123 MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
•
OPERATING POSITION: START OF ROTATION
•
SCREW THREAD QUANTITY PER INCH: 32.0
•
ELECTRICAL RESISTANCE PER SECTION: 300.000 OHMS 1ST SECTION AND 300.000 OHMS 2ND SECTION
•
SWITCH VOLTAGE RATING IN VOLTS: 10.0
•
SECTION QUANTITY: 2
•
SHAFT DIAMETER: 0.250 INCHES NOMINAL IN
•
NONTURN DEVICE RADIUS: 0.531 INCHES NOMINAL IN
•
MOUNTING METHOD: STANDARD BUSHING
TECHNICAL CHARACTERISTICS
OPERATING POSITIONSTART OF ROTATION
SCREW THREAD QUANTITY PER INCH32.0
ELECTRICAL RESISTANCE PER SECTION300.000 OHMS 1ST SECTION AND 300.000 OHMS 2ND SECTION
SWITCH VOLTAGE RATING IN VOLTS10.0
SECTION QUANTITY2
SHAFT DIAMETER0.250 INCHES NOMINAL IN
NONTURN DEVICE RADIUS0.531 INCHES NOMINAL IN
MOUNTING METHODSTANDARD BUSHING
FEATURES PROVIDEDSWITCH
SHAFT STYLEROUND
SUBSTITUTES & CROSS-REFERENCES 2
18A49002Reference document
Same NSN cross-reference
Reference document — Secondary reference
G2-35Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A4123?
A4123 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace A4123?
There are 2 known substitutes for A4123: 18A49002, G2-35. Substitute compatibility should be verified for your specific system.
What is the NSN for A4123?
A4123 is cataloged in the U.S. Government catalog under NSN 5905-00-192-2930. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.