PartsTable
Technical Data Sheet
PartsTable / MRO / 2521-2-4
2521-2-4 ✓ 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 2521-2-4 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 part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-669-0250, 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→ 2521-2-4
NSN: 6625-00-669-0250
FSC: 6625
CAGE: 65092 — SOLARTRON ELECTRONICS INC WESTON INSTRUMENTS DIV (USA)
SPECIFICATIONS
colorUNABLE TO DECODE
materialSTEEL
power_sourceEXTERNAL
movement_typeMOVING COIL, PERMANENT MAGNET
pointer_colorBLACK SINGLE INDICATOR SINGLE RANGE
indicator_typeDIAL W/POINTER
overall_length2.530 INCHES MAXIMUM IN
overall_diameter2.690 INCHES MAXIMUM IN
special_featuresRUGGEDIZED
special_markingsSEALED DO NOT OPEN ON BACK OF METER
style_designatorROUND FLUSH MTG
features_providedMAGNETIC SHIELD AND ZERO ADJUSTER
NSN6625-00-669-0250
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 2521-2-4 TITLE COMPONENT PN 2521-2-4 MFR 2521-2-4
KEY FEATURES
•
SENSITIVITY RATING: 1000.0 OHMS PER VOLT
•
SPECIAL MARKINGS: RED LINE AT 4TH SCALE DIV
•
CIRCUIT CURRENT FOR WHICH DESIGNED: DC
•
OVERALL DIAMETER: 2.695 INCHES NOMINAL IN
•
COLOR: UNABLE TO DECODE
•
METER BODY DIAMETER BEHIND MOUNTING FLANGE: 2.210 INCHES NOMINAL IN
•
ACCURACY IN PERCENT: -3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
•
STYLE DESIGNATOR: ROUND FLUSH MTG
TECHNICAL CHARACTERISTICS (FLIS)
SENSITIVITY RATING1000.0 OHMS PER VOLT
SPECIAL MARKINGSRED LINE AT 4TH SCALE DIV
CIRCUIT CURRENT FOR WHICH DESIGNEDDC
OVERALL DIAMETER2.695 INCHES NOMINAL IN
COLORUNABLE TO DECODE
METER BODY DIAMETER BEHIND MOUNTING FLANGE2.210 INCHES NOMINAL IN
ACCURACY IN PERCENT-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
STYLE DESIGNATORROUND FLUSH MTG
MOUNTING BOLT CIRCLE DIAMETER2.440 INCHES NOMINAL IN
SCALE DIVISION QUANTITY10 SINGLE INDICATOR SINGLE RANGE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1021Upgraded Successor
successor cross-reference
successor
2521-2-4Upgraded Successor
successor cross-reference
successor
610189REVEUpgraded Successor
successor cross-reference
successor
610189Upgraded Successor
successor cross-reference
successor
13173Interchangeable
interchangeable cross-reference
interchangeable
15052-2DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2521-2-4?
2521-2-4 is a 2521-2-4. It is classified as a MRO (MRO_GENERAL).
What parts can replace 2521-2-4?
There are 12 known substitutes for 2521-2-4: 1021, 2521-2-4, 610189REVE and 9 more. Substitute compatibility should be verified for your specific system.
Is 2521-2-4 still available?
2521-2-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026