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Technical Data Sheet
B3127 ✓ 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

RECTIFIER,SEMICONDUCTOR DEVICE,U. Key specifications include color: GREEN, US ARMY, 107 BACKGROUND, material: SILICON, power_source: EXTERNAL, movement_type: MOVING COIL, PERMANENT MAGNET, overall_width: 0.350 INCHES NOMINAL IN, pointer_color: BLACK SINGLE INDICATOR SINGLE RANGE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-903-7846, 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 B3127
NSN: 6625-00-903-7846
FSC: 6625
CAGE: 74542 — HOYT ELECTRICAL INSTRUMENT WORKS, INC. DBA HOYT ELECTRICAL INSTRUMENT WORKS INC (USA)
SPECIFICATIONS
colorGREEN, US ARMY, 107 BACKGROUND
materialSILICON
power_sourceEXTERNAL
movement_typeMOVING COIL, PERMANENT MAGNET
overall_width0.350 INCHES NOMINAL IN
pointer_colorBLACK SINGLE INDICATOR SINGLE RANGE
fiber_materialCOTTON OR COTTON AND POLYESTER BACKGROUND
indicator_typeDIAL W/POINTER
overall_height0.350 INCHES NOMINAL IN
overall_length1.573 INCHES MAXIMUM IN
mounting_methodUNTHREADED HOLE(S)
user_designatorENLISTED PERSONNEL
NSN6625-00-903-7846
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RECTIFIER,SEMICONDUCTOR DEVICE,U TITLE COMPONENT PN B3127 MFR RECTIFIER,SEMICONDUCTO
KEY FEATURES
CIRCUIT CURRENT FOR WHICH DESIGNED: DC
MOUNTING FACILITY TYPE AND QUANTITY: 3 THREADED STUD(S)
POINTER COLOR: BLACK SINGLE INDICATOR SINGLE RANGE
POWER SOURCE: EXTERNAL
DIELECTRIC WITHSTANDING VOLTAGE IN VOLTS: 2000.0
MOUNTING STUD DIAMETER: 0.125 INCHES NOMINAL IN
ACCURACY IN PERCENT: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS (FLIS)
CIRCUIT CURRENT FOR WHICH DESIGNEDDC
MOUNTING FACILITY TYPE AND QUANTITY3 THREADED STUD(S)
POINTER COLORBLACK SINGLE INDICATOR SINGLE RANGE
POWER SOURCEEXTERNAL
DIELECTRIC WITHSTANDING VOLTAGE IN VOLTS2000.0
MOUNTING STUD DIAMETER0.125 INCHES NOMINAL IN
ACCURACY IN PERCENT-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
MATERIALPLASTIC
METER DEPTH BEHIND MOUNTING FLANGE1.000 INCHES NOMINAL IN
MOUNTING STUD LENGTH0.450 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
B3127Interchangeable
interchangeable cross-reference
interchangeable
63-8405Interchangeable
interchangeable cross-reference
interchangeable
SD241Interchangeable
interchangeable cross-reference
interchangeable
108814-01Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-14651AInterchangeable
interchangeable cross-reference
interchangeable
MIL-I-14651Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B3127?
B3127 is a RECTIFIER,SEMICONDUCTOR DEVICE,U. It is classified as a MRO (MRO_GENERAL).
What parts can replace B3127?
There are 10 known substitutes for B3127: B3127, 63-8405, SD241 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B3127?
B3127 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-903-7846. This indicates validated use in U.S. government and defense supply chains.
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