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20C3 — RETAINER,ELECTRON TUBE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

20C3: RETAINER,ELECTRON TUBE.

The RETAINER,ELECTRON TUBE is a the manufacturer industrial component. Key specifications include material: STEEL, overall_height: 2.375 INCHES NOMINAL IN, overall_length: 0.938 INCHES NOMINAL IN, overall_diameter: 0.688 INCHES NOMINAL IN, style_designator: HELIX SPRING HOLD DOWN WITH HOOK, surface_treatment: CADMIUM. This part is cataloged in the U.S.

Government catalog under NSN 5960-00-836-6003, 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
20C3
NSN: 5960-00-836-6003
FSC: 5960 — Electron Tubes and Associated Hardware
CAGE: 04232 — STAVER CO INC THE (USA)
SPECIFICATIONS
materialSTEEL
overall_height2.375 INCHES NOMINAL IN
overall_length0.938 INCHES NOMINAL IN
overall_diameter0.688 INCHES NOMINAL IN
style_designatorHELIX SPRING HOLD DOWN WITH HOOK
surface_treatmentCADMIUM
unthreaded_mounting_hole_diameter0.100 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
mounting_facility_type_and_quantity1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
accommodated_item_securing_device_typeFRICTION FASTENER
eia_electron_tube_envelope_accommodatedT5 1-2
distance_from_retainer_center_to_centerline_of_mounting_facility0.469 INCHES NOMINAL IN
NSN5960-00-836-6003
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER,ELECTRON TUBE TITLE COMPONENT PN 20C3 MFR RETAINER,ELECTRON TUBE
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
•
EIA ELECTRON TUBE ENVELOPE ACCOMMODATED: T5 1-2
•
DISTANCE FROM RETAINER CENTER TO CENTERLINE OF MOUNTING FACILITY: 0.469 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.688 INCHES NOMINAL IN
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.100 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
•
STYLE DESIGNATOR: HELIX SPRING HOLD DOWN WITH HOOK
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
OVERALL HEIGHT2.375 INCHES NOMINAL IN
EIA ELECTRON TUBE ENVELOPE ACCOMMODATEDT5 1-2
DISTANCE FROM RETAINER CENTER TO CENTERLINE OF MOUNTING FACILITY0.469 INCHES NOMINAL IN
OVERALL DIAMETER0.688 INCHES NOMINAL IN
UNTHREADED MOUNTING HOLE DIAMETER0.100 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
STYLE DESIGNATORHELIX SPRING HOLD DOWN WITH HOOK
OVERALL LENGTH0.938 INCHES NOMINAL IN
ACCOMMODATED ITEM SECURING DEVICE TYPEFRICTION FASTENER
SURFACE TREATMENTCADMIUM
SUBSTITUTES & CROSS-REFERENCES 1
260-160Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20C3?
20C3 is a RETAINER,ELECTRON TUBE.
What parts can replace 20C3?
There is 1 known substitute for 20C3: 260-160. Substitute compatibility should be verified for your specific system.
What is the NSN for 20C3?
20C3 is cataloged in the U.S. Government catalog under NSN 5960-00-836-6003. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.