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Technical Data Sheet
PartsTable / MRO / 421-072
421-072 ✓ Verified by PartsTable
Legrand · 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

For mounting DPX³ on aluminium rail or on plate Cat.Nos 0 206 11/61<br>For DPX³ 250 3P/4P without earth leakage module. Key specifications include color: UNABLE TO DECODE, phase: THREE, frequency_rating: 400.0 HERTZ NOMINAL, measurement_range: +0.0 TO 50.0 KILOVARS SINGLE INDICATOR SINGLE RANGE, installation_design: PANEL, mounting_hole_diameter: 0.120 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 6625-00-856-6819, 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→ 421-072
NSN: 6625-00-856-6819
FSC: 6625
CAGE: 15309 — JEWELL INSTRUMENTS, LLC DBA MODUTEC USE CAGE CODE 33005 FOR CATALOGING (USA)
SPECIFICATIONS
colorUNABLE TO DECODE
phaseTHREE
frequency_rating400.0 HERTZ NOMINAL
measurement_range+0.0 TO 50.0 KILOVARS SINGLE INDICATOR SINGLE RANGE
installation_designPANEL
mounting_hole_diameter0.120 INCHES NOMINAL IN
end_item_identificationSUPPORT EQUIPMENT, T-37 AIRCRAFT; SUPPORT EQUIPMENT, T-38 AIRCRAFT; SUPPORT EQUIPMENT, F-4 AIRCRAFT; F4N AIRCRAFT
dial_scale_marking_colorWHITE SINGLE INDICATOR SINGLE RANGE
mounting_arrangement_styleTHREE HOLE/STUD BOLT CIRCLE
mounting_bolt_circle_diameter2.440 INCHES NOMINAL IN
operating_voltage_rating_in_volts120.0 AC MINIMUM
circuit_current_for_which_designedAC
NSN6625-00-856-6819
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Legrand COIL,RADIO FREQUENCY TITLE COMPONENT PN 421-072 MFR Legrand COIL,RADIO FREQUENCY
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 FLANGE AND 3 UNTHREADED HOLE(S)
•
COLOR: UNABLE TO DECODE
•
DIAL SCALE MARKING COLOR: WHITE SINGLE INDICATOR SINGLE RANGE
•
PHASE: THREE
•
CIRCUIT ATTACHMENT METHOD AND QUANTITY: 6 THREADED STUD
•
MEASUREMENT RANGE: +0.0 TO 50.0 KILOVARS SINGLE INDICATOR SINGLE RANGE
•
FREQUENCY RATING: 400.0 HERTZ NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONSUPPORT EQUIPMENT, T-37 AIRCRAFT; SUPPORT EQUIPMENT, T-38 AIRCRAFT; SUPPORT EQUIPMENT, F-4 AIRCRAFT; F4N AIRCRAFT
MOUNTING FACILITY TYPE AND QUANTITY1 FLANGE AND 3 UNTHREADED HOLE(S)
COLORUNABLE TO DECODE
DIAL SCALE MARKING COLORWHITE SINGLE INDICATOR SINGLE RANGE
PHASETHREE
CIRCUIT ATTACHMENT METHOD AND QUANTITY6 THREADED STUD
MEASUREMENT RANGE+0.0 TO 50.0 KILOVARS SINGLE INDICATOR SINGLE RANGE
FREQUENCY RATING400.0 HERTZ NOMINAL
OPERATING VOLTAGE RATING IN VOLTS120.0 AC MINIMUM
CIRCUIT CURRENT FOR WHICH DESIGNEDAC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
10N30Interchangeable
interchangeable cross-reference
interchangeable
70122C1Interchangeable
interchangeable cross-reference
interchangeable
BM18201Interchangeable
interchangeable cross-reference
interchangeable
RV52A1Interchangeable
interchangeable cross-reference
interchangeable
L218324-1Interchangeable
interchangeable cross-reference
interchangeable
1820-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 421-072?
421-072 is a COIL,RADIO FREQUENCY manufactured by Legrand. It is classified as a MRO (MRO_GENERAL).
What parts can replace 421-072?
There are 20 known substitutes for 421-072: 10N30, 70122C1, BM18201 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 421-072?
421-072 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-856-6819. 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