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Technical Data Sheet
PartsTable / MRO / 4340
4340 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 MONITOR,PHASE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, nut_style: HEXAGON, base_style: TWO SLIP-ON TERMINALS, body_width: 0.500 INCHES MAXIMUM IN, bulb_style: PAR (PARABOLIC, ALUMINIZED REFLECTOR), head_style: FLAT CHAMFER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-946-4619, 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
MRO→ MRO_GENERAL→ 4340
NSN: 6625-00-946-4619
FSC: 6625
CAGE: 9Y504 — ELECTRO SCIENTIFIC INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
nut_styleHEXAGON
base_styleTWO SLIP-ON TERMINALS
body_width0.500 INCHES MAXIMUM IN
bulb_stylePAR (PARABOLIC, ALUMINIZED REFLECTOR)
head_styleFLAT CHAMFER
nut_height0.125 INCHES NOMINAL IN
body_height0.220 INCHES MAXIMUM IN
body_length0.860 INCHES MAXIMUM IN
design_typeVISUAL
head_height0.219 INCHES NOMINAL IN
thread_class2A A
NSN6625-00-946-4619
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MONITOR,PHASE TITLE COMPONENT PN 4340 MFR MONITOR,PHASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
4340Interchangeable
interchangeable cross-reference
interchangeable
PDG4340Interchangeable
interchangeable cross-reference
interchangeable
MS35649-282Interchangeable
interchangeable cross-reference
interchangeable
2580-00D3Interchangeable
interchangeable cross-reference
interchangeable
20501-7Interchangeable
interchangeable cross-reference
interchangeable
Z098004340Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4340?
4340 is a MONITOR,PHASE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4340?
There are 8 known substitutes for 4340: 4340, PDG4340, MS35649-282 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4340?
4340 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-946-4619. 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