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TL120A5T — TIMER,INTERVAL

✓ Government record, cited
LITTELFUSE, INC. · COMPONENT
PRODUCT OVERVIEW

TL120A5T: TIMER,INTERVAL.

The TIMER,INTERVAL is a LITTELFUSE, INC. industrial component. Key specifications include RESET TYPE: ELECTRIC, TIMER TYPE: ELECTRICAL, SWITCH TYPE: ON-OFF, CONTROL TYPE: ELECTRIC, CURRENT TYPE: AC, OVERALL DEPTH: 0.750 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 6645-01-471-3578, 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
TL120A5T
NSN: 6645-01-471-3578
FSC: 6645 — Time Measuring Instruments
CAGE: 75915 — LITTELFUSE, INC. (USA)
SPECIFICATIONS
RESET TYPEELECTRIC
TIMER TYPEELECTRICAL
SWITCH TYPEON-OFF
CONTROL TYPEELECTRIC
CURRENT TYPEAC
OVERALL DEPTH0.750 INCHES NOMINAL IN
OVERALL WIDTH2.000 INCHES NOMINAL IN
CURRENT RATING10.000 AMPERES
OVERALL HEIGHT2.000 INCHES NOMINAL IN
FURNISHED ITEMSAUTOMATIC ELECTRIC CIRCUIT CONTROL SWITCH
VOLTAGE IN VOLTS120.0
FREQUENCY IN HERTZ60.0
NSN6645-01-471-3578
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: LITTELFUSE, INC. TIMER,INTERVAL TITLE COMPONENT PN TL120A5T MFR LITTELFUSE, INC. TIMER,INTERVAL
KEY FEATURES
•
FREQUENCY IN HERTZ: 60.0
•
CURRENT TYPE: AC
•
CONTROL TYPE: ELECTRIC
•
VOLTAGE IN VOLTS: 120.0
•
RESET TYPE: ELECTRIC
•
TIMER TYPE: ELECTRICAL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.000 INCHES NOMINAL IN
FREQUENCY IN HERTZ60.0
CURRENT TYPEAC
CONTROL TYPEELECTRIC
VOLTAGE IN VOLTS120.0
RESET TYPEELECTRIC
OVERALL WIDTH2.000 INCHES NOMINAL IN
TIMER TYPEELECTRICAL
SWITCH TYPEON-OFF
CONTROL SWITCH VOLTAGE IN VOLTS120.0
OTHER ITEMS IN FSC 6645 — Time Measuring Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6645-00-001-1256 6645-00-001-4498 6645-00-001-4584 6645-00-001-9400 6645-00-003-0327 6645-00-003-0328 6645-00-003-0337 6645-00-003-0338
SUBSTITUTES & CROSS-REFERENCES 1
TL120A5Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is TL120A5T?
TL120A5T is a TIMER,INTERVAL manufactured by LITTELFUSE, INC..
What parts can replace TL120A5T?
There is 1 known substitute for TL120A5T: TL120A5. Substitute compatibility should be verified for your specific system.
What is the NSN for TL120A5T?
TL120A5T is cataloged in the U.S. Government catalog under NSN 6645-01-471-3578. 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.