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56418-1 — RETAINER,ELECTRON TUBE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

56418-1: RETAINER,ELECTRON TUBE.

The RETAINER,ELECTRON TUBE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_width: 2.000 INCHES NOMINAL IN, overall_height: 0.438 INCHES NOMINAL IN, overall_length: 2.344 INCHES NOMINAL IN, style_designator: IRREGULAR, unthreaded_mounting_hole_diameter: 0.172 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. This part is cataloged in the U.S.

Government catalog under NSN 5960-00-280-3465, 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
56418-1
NSN: 5960-00-280-3465
FSC: 5960 — Electron Tubes and Associated Hardware
CAGE: 04655 — GENERAL DYNAMICS MISSION SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_width2.000 INCHES NOMINAL IN
overall_height0.438 INCHES NOMINAL IN
overall_length2.344 INCHES NOMINAL IN
style_designatorIRREGULAR
unthreaded_mounting_hole_diameter0.172 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
mounting_facility_type_and_quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
accommodated_item_securing_device_typeSETSCREW
eia_electron_tube_envelope_accommodatedT16
distance_between_mounting_facility_centers1.094 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
NSN5960-00-280-3465
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER,ELECTRON TUBE TITLE COMPONENT PN 56418-1 MFR RETAINER,ELECTRON TUBE
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
•
EIA ELECTRON TUBE ENVELOPE ACCOMMODATED: T16
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.172 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
•
STYLE DESIGNATOR: IRREGULAR
•
ACCOMMODATED ITEM SECURING DEVICE TYPE: SETSCREW
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
OVERALL HEIGHT0.438 INCHES NOMINAL IN
EIA ELECTRON TUBE ENVELOPE ACCOMMODATEDT16
UNTHREADED MOUNTING HOLE DIAMETER0.172 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
STYLE DESIGNATORIRREGULAR
OVERALL LENGTH2.344 INCHES NOMINAL IN
ACCOMMODATED ITEM SECURING DEVICE TYPESETSCREW
OVERALL WIDTH2.000 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING FACILITY CENTERS1.094 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 1
56418Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 56418-1?
56418-1 is a RETAINER,ELECTRON TUBE.
What parts can replace 56418-1?
There is 1 known substitute for 56418-1: 56418. Substitute compatibility should be verified for your specific system.
What is the NSN for 56418-1?
56418-1 is cataloged in the U.S. Government catalog under NSN 5960-00-280-3465. 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.