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550028-4 — PLATE,RETAINING,BEARING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

550028-4: PLATE,RETAINING,BEARING.

The PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include material: GLASS LENS, overall_length: 0.469 INCHES NOMINAL IN, mounting_method: PRESS FIT, overall_diameter: 0.406 INCHES NOMINAL IN, style_designator: CONVEX, surface_condition: SMOOTH FACE. This part is cataloged in the U.S.

Government catalog under NSN 6210-00-162-6276, 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
550028-4
NSN: 6210-00-162-6276
FSC: 6210 — Indoor and Outdoor Electric Lighting Fixtures
CAGE: 31550 — L3HARRIS TECHNOLOGIES, INC. DBA HARRIS CORPORATION (USA)
SPECIFICATIONS
materialGLASS LENS
overall_length0.469 INCHES NOMINAL IN
mounting_methodPRESS FIT
overall_diameter0.406 INCHES NOMINAL IN
style_designatorCONVEX
surface_conditionSMOOTH FACE
effective_diameter0.344 INCHES NOMINAL IN
holder_surface_treatmentNICKEL
mounting_device_quantity1
light_transmission_designTRANSLUCENT LENS
NSN6210-00-162-6276
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLATE,RETAINING,BEARING TITLE COMPONENT PN 550028-4 MFR PLATE,RETAINING,BEARIN
KEY FEATURES
•
EFFECTIVE DIAMETER: 0.344 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.406 INCHES NOMINAL IN
•
MOUNTING METHOD: PRESS FIT
•
HOLDER SURFACE TREATMENT: NICKEL
•
STYLE DESIGNATOR: CONVEX
•
SURFACE CONDITION: SMOOTH FACE
TECHNICAL CHARACTERISTICS
EFFECTIVE DIAMETER0.344 INCHES NOMINAL IN
OVERALL DIAMETER0.406 INCHES NOMINAL IN
MOUNTING METHODPRESS FIT
HOLDER SURFACE TREATMENTNICKEL
STYLE DESIGNATORCONVEX
OVERALL LENGTH0.469 INCHES NOMINAL IN
SURFACE CONDITIONSMOOTH FACE
SURFACE CONDITIONSMOOTH BACK
MOUNTING DEVICE QUANTITY1
COLORWHITE LENS
SUBSTITUTES & CROSS-REFERENCES 8
240AYSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2AYSPECD162270AYReference document
Same NSN cross-reference
Reference document — Secondary reference
102-995-792Reference document
Same NSN cross-reference
Reference document — Secondary reference
LT-60-05Reference document
Same NSN cross-reference
Reference document — Secondary reference
A10396REVCPT2Reference document
Same NSN cross-reference
Reference document — Secondary reference
UA10044Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 550028-4?
550028-4 is a PLATE,RETAINING,BEARING.
What parts can replace 550028-4?
There are 8 known substitutes for 550028-4: 240AY, 2AYSPECD162270AY, 102-995-792 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 550028-4?
550028-4 is cataloged in the U.S. Government catalog under NSN 6210-00-162-6276. 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.