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Technical Data Sheet
331-12-1 ✓ 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

The VOLTMETER is a the manufacturer industrial component. Key specifications include color: UNABLE TO DECODE, overall_length: 1.625 INCHES NOMINAL IN, overall_diameter: 4.500 INCHES NOMINAL IN, style_designator: ROUND FLUSH MTG, accuracy_in_percent: -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES, installation_design: PANEL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-892-5551, 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
331-12-1
NSN: 6625-00-892-5551
FSC: 6625
CAGE: 74096 — COMSPACE CORP MUNSTON ELECTRONICS DIV (USA)
SPECIFICATIONS
colorUNABLE TO DECODE
overall_length1.625 INCHES NOMINAL IN
overall_diameter4.500 INCHES NOMINAL IN
style_designatorROUND FLUSH MTG
accuracy_in_percent-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
installation_designPANEL
mounting_arrangement_styleTHREE HOLE/STUD BOLT CIRCLE
mounting_bolt_circle_diameter4.375 INCHES NOMINAL IN
circuit_current_for_which_designedDC
meter_depth_behind_mounting_flange1.375 INCHES NOMINAL IN
circuit_attachment_method_and_quantity5 SOLDER LUG
general_characteristics_item_description4 COMPONENTS,MFR DWG 331-12,FSCM 97153,P/N AN150312 PIN,P/N 27-516 LINING,P/N 74-553 PISTON,P/N 76500A1177B CEMENT
NSN6625-00-892-5551
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VOLTMETER TITLE COMPONENT PN 331-12-1 MFR VOLTMETER
KEY FEATURES
INSTALLATION DESIGN: PANEL
COLOR: UNABLE TO DECODE
STYLE DESIGNATOR: ROUND FLUSH MTG
METER DEPTH BEHIND MOUNTING FLANGE: 1.375 INCHES NOMINAL IN
METER BODY DIAMETER BEHIND MOUNTING FLANGE: 3.750 INCHES NOMINAL IN
ACCURACY IN PERCENT: -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
CIRCUIT ATTACHMENT METHOD AND QUANTITY: 5 SOLDER LUG
TECHNICAL CHARACTERISTICS (FLIS)
INSTALLATION DESIGNPANEL
COLORUNABLE TO DECODE
STYLE DESIGNATORROUND FLUSH MTG
METER DEPTH BEHIND MOUNTING FLANGE1.375 INCHES NOMINAL IN
METER BODY DIAMETER BEHIND MOUNTING FLANGE3.750 INCHES NOMINAL IN
ACCURACY IN PERCENT-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
CIRCUIT ATTACHMENT METHOD AND QUANTITY5 SOLDER LUG
SPECIAL FEATURESNUMERALS COLORED BLACK 0 TO 2,GREEN 0 TO 10,YELLOW 0 TO 50,RED 0 TO 200,ONE ALUMINUM MTG PLATE DRILLED AND MTD TO FLANGE OF METER W/4 NO. 8-32 THD STUDS 7/16 IN. LG ON 3-9/32 IN. BY 3-9/32 IN. MTG CENTERS FOR USE ON TS-183A/U A
OVERALL DIAMETER4.500 INCHES NOMINAL IN
MOUNTING BOLT CIRCLE DIAMETER4.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
331-121Interchangeable
interchangeable cross-reference
interchangeable
331-12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 331-12-1?
331-12-1 is a VOLTMETER.
What parts can replace 331-12-1?
There are 2 known substitutes for 331-12-1: 331-121, 331-12. Substitute compatibility should be verified for your specific system.
What is the NSN for 331-12-1?
331-12-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-892-5551. This indicates validated use in U.S. government and defense supply chains.
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