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ISL4003 ✓ 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 ANNUNCIATOR LAMP B is a the manufacturer industrial component. Key specifications include shape: STRAIGHT, material: PLASTIC POLYCARBONATE LENS, body_width: 0.438 INCHES NOMINAL IN, lens_color: COLORLESS, body_height: 0.563 INCHES NOMINAL IN, body_length: 0.484 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-00-105-0177, 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
ISL4003
NSN: 6210-00-105-0177
FSC: 6210
CAGE: 57217 — STRIEGEL SUPPLY, INC. DBA STRIEGEL SUPPLY INC (USA)
SPECIFICATIONS
shapeSTRAIGHT
materialPLASTIC POLYCARBONATE LENS
body_width0.438 INCHES NOMINAL IN
lens_colorCOLORLESS
body_height0.563 INCHES NOMINAL IN
body_length0.484 INCHES NOMINAL IN
scale_range+24.0 TO 32.0 INCHES IN
cistern_typeADJUSTING SCREW
overall_width3.750 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
inclosure_typeFULLY INCLOSED
overall_height3.500 INCHES NOMINAL IN
NSN6210-00-105-0177
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ANNUNCIATOR LAMP B TITLE COMPONENT PN ISL4003 MFR ANNUNCIATOR LAMP B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
ML2Interchangeable
interchangeable cross-reference
interchangeable
M12Interchangeable
interchangeable cross-reference
interchangeable
254168-3Interchangeable
interchangeable cross-reference
interchangeable
MI2Interchangeable
interchangeable cross-reference
interchangeable
SQ-80-LED, SQ-80-LEDR-1Interchangeable
interchangeable cross-reference
interchangeable
BKEM-2AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ISL4003?
ISL4003 is a ANNUNCIATOR LAMP B.
What parts can replace ISL4003?
There are 9 known substitutes for ISL4003: ML2, M12, 254168-3 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ISL4003?
ISL4003 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-00-105-0177. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026