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T620777 ✓ 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

The SWITCH,TELEPHONE,SELECTOR is a the manufacturer industrial component. Key specifications include design_type: STRAIGHT SINGLE ANTENNA ELEMENT, overall_length: 1.828 FEET NOMINAL FT, overall_diameter: 0.500 INCHES NOMINAL IN, special_features: TUBE DIM. IAW/RE 66F 590E PT13 W/SUPPORT PT 23, fsc_application_data: RADAR ANTENNA SUPPORT SETS AND RADOMES,EXCEPT SPECIALLY DESIGNED.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-284-8812, 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
T620777
NSN: 5985-00-284-8812
FSC: 5985
CAGE: 49671 — LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN DIV LOCKHEED MARTIN (USA)
SPECIFICATIONS
design_typeSTRAIGHT SINGLE ANTENNA ELEMENT
overall_length1.828 FEET NOMINAL FT
overall_diameter0.500 INCHES NOMINAL IN
special_featuresTUBE DIM. IAW/RE 66F 590E PT13 W/SUPPORT PT 23
fsc_application_dataRADAR ANTENNA SUPPORT SETS AND RADOMES,EXCEPT SPECIALLY DESIGNED
NSN5985-00-284-8812
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,TELEPHONE,SELECTOR TITLE COMPONENT PN T620777 MFR SWITCH,TELEPHONE,SELEC
KEY FEATURES
•
OVERALL DIAMETER: 0.500 INCHES NOMINAL IN
•
DESIGN TYPE: STRAIGHT SINGLE ANTENNA ELEMENT
•
FSC APPLICATION DATA: RADAR ANTENNA SUPPORT SETS AND RADOMES,EXCEPT SPECIALLY DESIGNED
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.828 FEET NOMINAL FT
OVERALL DIAMETER0.500 INCHES NOMINAL IN
DESIGN TYPESTRAIGHT SINGLE ANTENNA ELEMENT
FSC APPLICATION DATARADAR ANTENNA SUPPORT SETS AND RADOMES,EXCEPT SPECIALLY DESIGNED
SPECIAL FEATURESTUBE DIM. IAW/RE 66F 590E PT13 W/SUPPORT PT 23
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
TL465UInterchangeable
interchangeable cross-reference
interchangeable
54614Interchangeable
interchangeable cross-reference
interchangeable
955610Interchangeable
interchangeable cross-reference
interchangeable
7372717Interchangeable
interchangeable cross-reference
interchangeable
90E16Interchangeable
interchangeable cross-reference
interchangeable
8700Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T620777?
T620777 is a SWITCH,TELEPHONE,SELECTOR.
What parts can replace T620777?
There are 12 known substitutes for T620777: TL465U, 54614, 955610 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T620777?
T620777 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-284-8812. 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