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Technical Data Sheet
PartsTable / COMPONENT / 6688A
6688A ✓ 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 tube_type: PENTODE, special_features: ENVELOPE MATERIAL: GLASS, nondefinitive_spec/std_data: 6688 TYPE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-00-772-9062, 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
6688A
NSN: 5960-00-772-9062
FSC: 5960
CAGE: 73445 — AMPEREX ELECTRONIC CORP (USA)
SPECIFICATIONS
tube_typePENTODE
special_featuresENVELOPE MATERIAL: GLASS
nondefinitive_spec/std_data6688 TYPE
NSN5960-00-772-9062
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ELECTRON TUBE TITLE COMPONENT PN 6688A MFR ELECTRON TUBE
KEY FEATURES
•
NONDEFINITIVE SPEC/STD DATA: 6688 TYPE
•
TUBE TYPE: PENTODE
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESENVELOPE MATERIAL: GLASS
NONDEFINITIVE SPEC/STD DATA6688 TYPE
TUBE TYPEPENTODE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
290-1389P1Interchangeable
interchangeable cross-reference
interchangeable
831-115Interchangeable
interchangeable cross-reference
interchangeable
E180FInterchangeable
interchangeable cross-reference
interchangeable
EFP60Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6688A?
6688A is a ELECTRON TUBE.
What parts can replace 6688A?
There are 4 known substitutes for 6688A: 290-1389P1, 831-115, E180F and 1 more. Substitute compatibility should be verified for your specific system.
Is 6688A still available?
6688A is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026