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503-9408-004 — SHIELD,ELECTRON TUBE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

503-9408-004: SHIELD,ELECTRON TUBE.

The SHIELD,ELECTRON TUBE is a the manufacturer industrial component. Key specifications include material: METAL, overall_length: 7.625 INCHES NOMINAL IN, style_designator: FRUSTRUM OF CONE, large_end_diameter: 4.000 INCHES NOMINAL IN, small_end_diameter: 2.500 INCHES NOMINAL IN, mounting_facility_type_and_quantity: 1 FRICTION SINGLE MOUNTING FACILITY. This part is cataloged in the U.S.

Government catalog under NSN 5960-00-099-8575, 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
503-9408-004
NSN: 5960-00-099-8575
FSC: 5960 — Electron Tubes and Associated Hardware
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialMETAL
overall_length7.625 INCHES NOMINAL IN
style_designatorFRUSTRUM OF CONE
large_end_diameter4.000 INCHES NOMINAL IN
small_end_diameter2.500 INCHES NOMINAL IN
mounting_facility_type_and_quantity1 FRICTION SINGLE MOUNTING FACILITY
accommodated_item_securing_device_typeFRICTION FASTENER
NSN5960-00-099-8575
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHIELD,ELECTRON TUBE TITLE COMPONENT PN 503-9408-004 MFR SHIELD,ELECTRON TUBE
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 FRICTION SINGLE MOUNTING FACILITY
•
LARGE END DIAMETER: 4.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FRUSTRUM OF CONE
•
ACCOMMODATED ITEM SECURING DEVICE TYPE: FRICTION FASTENER
•
SMALL END DIAMETER: 2.500 INCHES NOMINAL IN
•
MATERIAL: METAL
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY1 FRICTION SINGLE MOUNTING FACILITY
LARGE END DIAMETER4.000 INCHES NOMINAL IN
STYLE DESIGNATORFRUSTRUM OF CONE
OVERALL LENGTH7.625 INCHES NOMINAL IN
ACCOMMODATED ITEM SECURING DEVICE TYPEFRICTION FASTENER
SMALL END DIAMETER2.500 INCHES NOMINAL IN
MATERIALMETAL
SUBSTITUTES & CROSS-REFERENCES 2
13171Reference document
Same NSN cross-reference
Reference document — Secondary reference
650526Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 503-9408-004?
503-9408-004 is a SHIELD,ELECTRON TUBE.
What parts can replace 503-9408-004?
There are 2 known substitutes for 503-9408-004: 13171, 650526. Substitute compatibility should be verified for your specific system.
What is the NSN for 503-9408-004?
503-9408-004 is cataloged in the U.S. Government catalog under NSN 5960-00-099-8575. 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.