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Technical Data Sheet
PartsTable / MRO / 621-18789
621-18789 ✓ 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 621-18789 is a the manufacturer industrial component. Key specifications include color: UNABLE TO DECODE, material: STEEL, power_source: EXTERNAL, movement_type: MOVING COIL, PERMANENT MAGNET, pointer_color: BLACK SINGLE INDICATOR SINGLE RANGE, indicator_type: DIAL W/POINTER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-037-9480, 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→ 621-18789
NSN: 6625-00-037-9480
FSC: 6625
CAGE: 77221 — PHAOSTRON INSTRUMENT AND ELECTRONIC COMPANY (USA)
SPECIFICATIONS
colorUNABLE TO DECODE
materialSTEEL
power_sourceEXTERNAL
movement_typeMOVING COIL, PERMANENT MAGNET
pointer_colorBLACK SINGLE INDICATOR SINGLE RANGE
indicator_typeDIAL W/POINTER
overall_length2.650 INCHES MAXIMUM IN
overall_diameter2.695 INCHES MAXIMUM IN
special_featuresRUGGEDIZED
style_designatorROUND FLUSH MTG
features_providedZERO ADJUSTER
measurement_range+0.0 TO 500.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE
NSN6625-00-037-9480
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 621-18789 TITLE COMPONENT PN 621-18789 MFR 621-18789
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
621-09524Upgraded Successor
successor cross-reference
successor
SC-C-24404-1Upgraded Successor
successor cross-reference
successor
SC-C-24420Upgraded Successor
successor cross-reference
successor
AN/USM-48Upgraded Successor
successor cross-reference
successor
628Upgraded Successor
successor cross-reference
successor
59180-1Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 621-18789?
621-18789 is a 621-18789. It is classified as a MRO (MRO_GENERAL).
What parts can replace 621-18789?
There are 17 known substitutes for 621-18789: 621-09524, SC-C-24404-1, SC-C-24420 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 621-18789?
621-18789 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-037-9480. 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