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Technical Data Sheet
PartsTable / COMPONENT / 4N993
4N993 ✓ 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

ADAPTER,LAMPHOLDER TO CONNECTOR. Key specifications include color: CLEAR, shape: STRAIGHT, material: STEEL OVERALL, body_width: 1.031 INCHES MAXIMUM IN, body_height: 1.906 INCHES NOMINAL IN, body_length: 1.094 INCHES MAXIMUM 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 2940-01-053-4677, 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
4N993
NSN: 2940-01-053-4677
FSC: 2940
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
colorCLEAR
shapeSTRAIGHT
materialSTEEL OVERALL
body_width1.031 INCHES MAXIMUM IN
body_height1.906 INCHES NOMINAL IN
body_length1.094 INCHES MAXIMUM IN
contact_styleTEE
overall_width0.500 INCHES NOMINAL IN
conductor_formSTRANDED ALL CONDUCTORS
inclosure_typeHERMETICALLY SEALED
overall_length2.302 FEET FT
inside_diameter1.375 INCHES NOMINAL IN
NSN2940-01-053-4677
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ADAPTER,LAMPHOLDER TO CONNECTOR TITLE COMPONENT PN 4N993 MFR ADAPTER,LAMPHOLDER TO
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
IDENTABAND200Interchangeable
interchangeable cross-reference
interchangeable
MILB36225Interchangeable
interchangeable cross-reference
interchangeable
6711Interchangeable
interchangeable cross-reference
interchangeable
871111557Interchangeable
interchangeable cross-reference
interchangeable
1CX8Interchangeable
interchangeable cross-reference
interchangeable
3935Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4N993?
4N993 is a ADAPTER,LAMPHOLDER TO CONNECTOR.
What parts can replace 4N993?
There are 14 known substitutes for 4N993: IDENTABAND200, MILB36225, 6711 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4N993?
4N993 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2940-01-053-4677. 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