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1F4 ✓ 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 material: STEEL OVERALL, nut_style: ROUND, tube_type: PENTODE, nut_diameter: 2.062 INCHES NOMINAL IN, nut_thickness: 0.438 INCHES NOMINAL IN, thread_series: UNEF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-00-189-5925, 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
1F4
NSN: 5960-00-189-5925
FSC: 5960
CAGE: 80131 — ELECTRONIC INDUSTRIES ASSOCIATION
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleROUND
tube_typePENTODE
nut_diameter2.062 INCHES NOMINAL IN
nut_thickness0.438 INCHES NOMINAL IN
thread_seriesUNEF
thread_directionRIGHT-HAND
drive_point_depth0.094 INCHES NOMINAL IN
drive_point_width0.188 INCHES NOMINAL IN
nominal_thread_size1.375 INCHES IN
drive_point_quantity4
thread_pitch_diameters+1.3399 TO 1.3439 INCHES IN
NSN5960-00-189-5925
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ELECTRON TUBE TITLE COMPONENT PN 1F4 MFR ELECTRON TUBE
KEY FEATURES
•
TUBE TYPE: PENTODE
•
NONDEFINITIVE SPEC/STD DATA: 1F4 TYPE
TECHNICAL CHARACTERISTICS (FLIS)
TUBE TYPEPENTODE
NONDEFINITIVE SPEC/STD DATA1F4 TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
202894Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1F4?
1F4 is a ELECTRON TUBE.
What parts can replace 1F4?
There is 1 known substitute for 1F4: 202894. Substitute compatibility should be verified for your specific system.
What is the NSN for 1F4?
1F4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-00-189-5925. 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