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MS16566 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The LAMPHOLDER is a the manufacturer industrial component. Key specifications include material: PLASTIC BODY, thickness: 0.437 INCHES NOMINAL IN, overall_width: 1.156 INCHES NOMINAL IN, terminal_type: WIRE LEAD, overall_height: 1.281 INCHES NOMINAL IN, mounting_method: THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6250-00-284-0481, 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
MS16566
NSN: 6250-00-284-0481
FSC: 6250
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialPLASTIC BODY
thickness0.437 INCHES NOMINAL IN
overall_width1.156 INCHES NOMINAL IN
terminal_typeWIRE LEAD
overall_height1.281 INCHES NOMINAL IN
mounting_methodTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
style_designatorW/O STARTER SOCKET
voltage_in_volts250.0
terminal_quantity2
mounting_feature_typeSURFACE
wattage_rating_in_watts660.0
wiring_provision_length18.000 INCHES NOMINAL IN
NSN6250-00-284-0481
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LAMPHOLDER TITLE COMPONENT PN MS16566 MFR LAMPHOLDER
KEY FEATURES
•
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION: NOT RATED
•
MOUNTING METHOD: THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
•
MOUNTING FEATURE TYPE: SURFACE
•
THICKNESS: 0.437 INCHES NOMINAL IN
•
TERMINAL QUANTITY: 2
•
MOUNTING DEVICE QUANTITY: 2
•
WIRING PROVISION LENGTH: 18.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTIONNOT RATED
MOUNTING METHODTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
MOUNTING FEATURE TYPESURFACE
THICKNESS0.437 INCHES NOMINAL IN
TERMINAL QUANTITY2
MOUNTING DEVICE QUANTITY2
WIRING PROVISION LENGTH18.000 INCHES NOMINAL IN
OVERALL WIDTH1.156 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES0.969 INCHES NOMINAL IN
VOLTAGE IN VOLTS250.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
UL 542Interchangeable
interchangeable cross-reference
interchangeable
M970/15-1Interchangeable
interchangeable cross-reference
interchangeable
P803Interchangeable
interchangeable cross-reference
interchangeable
W-L-142Interchangeable
interchangeable cross-reference
interchangeable
W-L-142 TY1CLCST5Interchangeable
interchangeable cross-reference
interchangeable
UL 496Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS16566?
MS16566 is a LAMPHOLDER.
What parts can replace MS16566?
There are 28 known substitutes for MS16566: UL 542, M970/15-1, P803 and 25 more. Substitute compatibility should be verified for your specific system.
Is MS16566 still available?
MS16566 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026