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PartsTable / COMPONENT / RELEASE1221
RELEASE1221 ✓ 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: ANTITRANSMIT-RECEIVE, special_features: MFTR. CLASSIFICATION:SWITCHING; ENVELOPE MATERIAL:GLASS, envelope_medium_type: GAS, specification/standard_data: 80131-RELEASE 1221 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-00-608-2774, 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
RELEASE1221
NSN: 5960-00-608-2774
FSC: 5960
CAGE: 80131 — ELECTRONIC INDUSTRIES ASSOCIATION
SPECIFICATIONS
tube_typeANTITRANSMIT-RECEIVE
special_featuresMFTR. CLASSIFICATION:SWITCHING; ENVELOPE MATERIAL:GLASS
envelope_medium_typeGAS
specification/standard_data80131-RELEASE 1221 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
NSN5960-00-608-2774
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ELECTRON TUBE TITLE COMPONENT PN RELEASE1221 MFR ELECTRON TUBE
KEY FEATURES
•
ENVELOPE MEDIUM TYPE: GAS
•
TUBE TYPE: ANTITRANSMIT-RECEIVE
•
SPECIFICATION/STANDARD DATA: 80131-RELEASE 1221 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESMFTR. CLASSIFICATION:SWITCHING; ENVELOPE MATERIAL:GLASS
ENVELOPE MEDIUM TYPEGAS
TUBE TYPEANTITRANSMIT-RECEIVE
SPECIFICATION/STANDARD DATA80131-RELEASE 1221 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
62-1-4Interchangeable
interchangeable cross-reference
interchangeable
1038-1/4INInterchangeable
interchangeable cross-reference
interchangeable
D10895Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-17280Interchangeable
interchangeable cross-reference
interchangeable
MILF17280-TY 2,STYLE AInterchangeable
interchangeable cross-reference
interchangeable
062141Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RELEASE1221?
RELEASE1221 is a ELECTRON TUBE.
What parts can replace RELEASE1221?
There are 18 known substitutes for RELEASE1221: 62-1-4, 1038-1/4IN, D10895 and 15 more. Substitute compatibility should be verified for your specific system.
Is RELEASE1221 still available?
RELEASE1221 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