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PartsTable / COMPONENT / L-4897-R
L-4897-R ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include tube_type: THYRATRON, envelope_material: CERAMIC, heater_current_rating: 500.0 AMPERES MAXIMUM, heater_voltage_rating_in_volts: 6.80. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-00-572-7434, 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
L-4897-R
NSN: 5960-00-572-7434
FSC: 5960
CAGE: 89146 — STELLANT SYSTEMS INC (USA)
SPECIFICATIONS
tube_typeTHYRATRON
special_featuresTHE OPTIMUM HEATER VOLTAGES FOR OPERATION I/A/W WITH OPERATION CONDITIONS IS 6.3VAC AND SHALL BE HELD TO WITHIN + OR - 7.5% VAC
envelope_materialCERAMIC
heater_current_rating500.0 AMPERES MAXIMUM
heater_voltage_rating_in_volts6.80
NSN5960-00-572-7434
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,FIXED,WIRE WOUND,INDUCT TITLE COMPONENT PN L-4897-R MFR RESISTOR,FIXED,WIRE WO
KEY FEATURES
•
ENVELOPE MATERIAL: CERAMIC
•
HEATER VOLTAGE RATING IN VOLTS: 6.80
•
HEATER CURRENT RATING: 500.0 AMPERES MAXIMUM
•
TUBE TYPE: THYRATRON
TECHNICAL CHARACTERISTICS (FLIS)
ENVELOPE MATERIALCERAMIC
HEATER VOLTAGE RATING IN VOLTS6.80
SPECIAL FEATURESTHE OPTIMUM HEATER VOLTAGES FOR OPERATION I/A/W WITH OPERATION CONDITIONS IS 6.3VAC AND SHALL BE HELD TO WITHIN + OR - 7.5% VAC
HEATER CURRENT RATING500.0 AMPERES MAXIMUM
TUBE TYPETHYRATRON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
TRIBOLUBE-BInterchangeable
interchangeable cross-reference
interchangeable
FMS-1071Interchangeable
interchangeable cross-reference
interchangeable
F-265Interchangeable
interchangeable cross-reference
interchangeable
7011Interchangeable
interchangeable cross-reference
interchangeable
MS90725-172Interchangeable
interchangeable cross-reference
interchangeable
6190K32Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is L-4897-R?
L-4897-R is a RESISTOR,FIXED,WIRE WOUND,INDUCT.
What parts can replace L-4897-R?
There are 17 known substitutes for L-4897-R: TRIBOLUBE-B, FMS-1071, F-265 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for L-4897-R?
L-4897-R is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-00-572-7434. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026