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Technical Data Sheet
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HD-955B/GR — Technical Data Sheet

✓ 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 ELECTRON TUBE is a the manufacturer industrial component. Key specifications include end_item_identification: SATELLITE COMMUNICATIONS TERMINAL-AN/FSC 78/79 PECULIAR ITEMS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-01-093-6981, 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
HD-955B/GR
NSN: 5960-01-093-6981
FSC: 5960
CAGE: 80058 — JOINT ELECTRONICS TYPE DESIGNATION SYSTEM (USA)
SPECIFICATIONS
end_item_identificationSATELLITE COMMUNICATIONS TERMINAL-AN/FSC 78/79 PECULIAR ITEMS
NSN5960-01-093-6981
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ELECTRON TUBE TITLE COMPONENT PN HD-955B/GR MFR ELECTRON TUBE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONSATELLITE COMMUNICATIONS TERMINAL-AN/FSC 78/79 PECULIAR ITEMS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
70312Interchangeable
interchangeable cross-reference
interchangeable
G17874Interchangeable
interchangeable cross-reference
interchangeable
50PAR30/CAP/FL/130VInterchangeable
interchangeable cross-reference
interchangeable
14533Interchangeable
interchangeable cross-reference
interchangeable
50PAR30/FL/H/130VInterchangeable
interchangeable cross-reference
interchangeable
SM-A-724784-4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HD-955B/GR?
HD-955B/GR is a ELECTRON TUBE.
What parts can replace HD-955B/GR?
There are 7 known substitutes for HD-955B/GR: 70312, G17874, 50PAR30/CAP/FL/130V and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HD-955B/GR?
HD-955B/GR is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-01-093-6981. 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: September 2026