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PartsTable / COMPONENT / 503-9408-004
503-9408-004 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

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 product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-00-099-8575, 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
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
•
LARGE END DIAMETER: 4.000 INCHES NOMINAL IN
•
SMALL END DIAMETER: 2.500 INCHES NOMINAL IN
•
ACCOMMODATED ITEM SECURING DEVICE TYPE: FRICTION FASTENER
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 FRICTION SINGLE MOUNTING FACILITY
•
MATERIAL: METAL
•
STYLE DESIGNATOR: FRUSTRUM OF CONE
TECHNICAL CHARACTERISTICS (FLIS)
LARGE END DIAMETER4.000 INCHES NOMINAL IN
SMALL END DIAMETER2.500 INCHES NOMINAL IN
ACCOMMODATED ITEM SECURING DEVICE TYPEFRICTION FASTENER
OVERALL LENGTH7.625 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY1 FRICTION SINGLE MOUNTING FACILITY
MATERIALMETAL
STYLE DESIGNATORFRUSTRUM OF CONE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
13171Interchangeable
interchangeable cross-reference
interchangeable
MM4869Interchangeable
interchangeable cross-reference
interchangeable
1855481Interchangeable
interchangeable cross-reference
interchangeable
712299-751Interchangeable
interchangeable cross-reference
interchangeable
101-317Interchangeable
interchangeable cross-reference
interchangeable
SMC500470-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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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 17 known substitutes for 503-9408-004: 13171, MM4869, 1855481 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 503-9408-004?
503-9408-004 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5960-00-099-8575. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026