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T4 — SWITCH SECTION,ROTARY

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

T4: SWITCH SECTION,ROTARY.

The SWITCH SECTION,ROTARY is a the manufacturer industrial component. Key specifications include phase: SINGLE, tripod: INCLUDED, leg_type: FIXED, material: STEEL FRAME, unit_type: DIRECTIONAL, base_style: CANDELABRA SCREW. This part is cataloged in the U.S.

Government catalog under NSN 5920-00-142-6862, 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→ T4
NSN: 5920-00-142-6862
NIINs: 001426862, 001470000, 002293846, 002572178, 002953919, 003917957, 005156363, 005199287, 005361867, 005543542, 006413549, 008711045, 010139731, 010153753, 010517613, 011405392, 012878013, 015888979, 016762157, 017335599
FSC: 5920 — Fuses, Arrestors, Absorbers, and Protectors
CAGE: 71400 — COOPER BUSSMANN, LLC DBA COOPER INDUSTRIES (USA)
SPECIFICATIONS
phaseSINGLE
tripodINCLUDED
leg_typeFIXED
materialSTEEL FRAME
unit_typeDIRECTIONAL
base_styleCANDELABRA SCREW
body_styleBARRIER TYPE
body_width2.250 INCHES NOMINAL IN
bulb_styleT (TUBULAR)
case_shapeRECTANGULAR
meter_typeAMMETER AND VOLTMETER
seat_width24.000 INCHES NOMINAL IN
NSN5920-00-142-6862
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH SECTION,ROTARY TITLE COMPONENT PN T4 MFR SWITCH SECTION,ROTARY
KEY FEATURES
•
CONTINUOUS CURRENT RATING IN AMPS: 4.000
•
BODY STYLE: EDISON BASE
•
CIRCUIT OVER-CURRENT INTERRUPTION DELAY TIME IN SECONDS: 30.0 200 PCT OF CURRENT RATING
•
OVERALL DIAMETER: 1.250 INCHES NOMINAL IN
•
INTERRUPTION INDICATOR METHOD: VISIBLE ELEMENT
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE
•
MAXIMUM VOLTAGE RATING IN VOLTS: 125.0 AC AND 125.0 DC
TECHNICAL CHARACTERISTICS
CONTINUOUS CURRENT RATING IN AMPS4.000
BODY STYLEEDISON BASE
CIRCUIT OVER-CURRENT INTERRUPTION DELAY TIME IN SECONDS30.0 200 PCT OF CURRENT RATING
OVERALL DIAMETER1.250 INCHES NOMINAL IN
OVERALL LENGTH1.219 INCHES NOMINAL IN
INTERRUPTION INDICATOR METHODVISIBLE ELEMENT
NONDEFINITIVE SPEC/STD DATA2 TYPE
MAXIMUM VOLTAGE RATING IN VOLTS125.0 AC AND 125.0 DC
CIRCUIT OVER-CURRENT INTERRUPTION TYPETIME DELAY
SUBSTITUTES & CROSS-REFERENCES 2
129431Reference document
Same NSN cross-reference
Reference document — Secondary reference
WF831ANDTYPE2Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is T4?
T4 is a SWITCH SECTION,ROTARY. It is classified as a MRO (MRO_GENERAL).
What parts can replace T4?
There are 2 known substitutes for T4: 129431, WF831ANDTYPE2. Substitute compatibility should be verified for your specific system.
What is the NSN for T4?
T4 is cataloged in the U.S. Government catalog under NSN 5920-00-142-6862. 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.