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Technical Data Sheet
20TA ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The RETAINER,ELECTRON TUBE is a the manufacturer industrial component. Key specifications include base_style: TELEPHONE SLIDE NUMBER ONE, bulb_style: T (TUBULAR), overall_length: 1.688 INCHES MAXIMUM IN, voltage_rating: 20.000 VOLTS NOMINAL, bulb_designator: T-2, features_provided: FILAMENT SHIELDING AND HEAT RESISTANT GLASS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-153-6518, 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
20TA
NSN: 6240-00-153-6518
FSC: 6240
CAGE: 28528 — ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS DIV EAST (USA)
SPECIFICATIONS
base_styleTELEPHONE SLIDE NUMBER ONE
bulb_styleT (TUBULAR)
overall_length1.688 INCHES MAXIMUM IN
voltage_rating20.000 VOLTS NOMINAL
bulb_designatorT-2
features_providedFILAMENT SHIELDING AND HEAT RESISTANT GLASS
rated_average_lifeNOT RATED
filament_designationC-21
emitted_light_characteristicWHITE
current_rating_for_which_designed0.100 AMPERES NOMINAL
filament_heavy_duty_service_ratingNOT RATED
bulb_light_transmission_characteristicTRANSPARENT
NSN6240-00-153-6518
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER,ELECTRON TUBE TITLE COMPONENT PN 20TA MFR RETAINER,ELECTRON TUBE
KEY FEATURES
FEATURES PROVIDED: FILAMENT SHIELDING AND HEAT RESISTANT GLASS
CURRENT RATING FOR WHICH DESIGNED: 0.100 AMPERES NOMINAL
BULB STYLE: T (TUBULAR)
BULB LIGHT TRANSMISSION CHARACTERISTIC: TRANSPARENT
BULB DESIGNATOR: T-2
FILAMENT HEAVY DUTY SERVICE RATING: NOT RATED
FILAMENT DESIGNATION: C-21
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDFILAMENT SHIELDING AND HEAT RESISTANT GLASS
CURRENT RATING FOR WHICH DESIGNED0.100 AMPERES NOMINAL
BULB STYLET (TUBULAR)
BULB LIGHT TRANSMISSION CHARACTERISTICTRANSPARENT
BULB DESIGNATORT-2
OVERALL LENGTH1.688 INCHES MAXIMUM IN
FILAMENT HEAVY DUTY SERVICE RATINGNOT RATED
FILAMENT DESIGNATIONC-21
BASE STYLETELEPHONE SLIDE NUMBER ONE
RATED AVERAGE LIFENOT RATED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
A38HYTInterchangeable
interchangeable cross-reference
interchangeable
A38Interchangeable
interchangeable cross-reference
interchangeable
70Interchangeable
interchangeable cross-reference
interchangeable
20BInterchangeable
interchangeable cross-reference
interchangeable
MIL-E-13191Interchangeable
interchangeable cross-reference
interchangeable
0E915Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20TA?
20TA is a RETAINER,ELECTRON TUBE.
What parts can replace 20TA?
There are 18 known substitutes for 20TA: A38HYT, A38, 70 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20TA?
20TA is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-153-6518. This indicates validated use in U.S. government and defense supply chains.
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