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12SK7 ✓ 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: METAL, nondefinitive_spec/std_data: 12SK7 TYPE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-00-116-9940, 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
12SK7
NSN: 5960-00-116-9940
FSC: 5960
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
tube_typePENTODE
special_featuresENVELOPE MATERIAL: METAL
nondefinitive_spec/std_data12SK7 TYPE
NSN5960-00-116-9940
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ELECTRON TUBE TITLE COMPONENT PN 12SK7 MFR ELECTRON TUBE
KEY FEATURES
•
NONDEFINITIVE SPEC/STD DATA: 12SK7 TYPE
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA12SK7 TYPE
SPECIAL FEATURESENVELOPE MATERIAL: GLASS; MFG. CLASS: AMPLIFIER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
6AB7Interchangeable
interchangeable cross-reference
interchangeable
6V6GInterchangeable
interchangeable cross-reference
interchangeable
JAN1Interchangeable
interchangeable cross-reference
interchangeable
12SA7Interchangeable
interchangeable cross-reference
interchangeable
JAN1TYPE2051Interchangeable
interchangeable cross-reference
interchangeable
2051Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12SK7?
12SK7 is a ELECTRON TUBE.
What parts can replace 12SK7?
There are 15 known substitutes for 12SK7: 6AB7, 6V6G, JAN1 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12SK7?
12SK7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-00-116-9940. 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