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Technical Data Sheet
31991-3 ✓ 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 RECEIVER,RADIO is a the manufacturer industrial component. Key specifications include base_style: MEDIUM BIPIN (FLUORESCENT), bulb_style: T (TUBULAR), current_type: AC, overall_width: 7.625 INCHES NOMINAL IN, overall_length: 48.000 INCHES NOMINAL IN, voltage_rating: 120.0 VOLTS NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6640-01-125-3765, 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 31991-3
NSN: 6640-01-125-3765
FSC: 6640
CAGE: 15481 — CURTIN MATHESON SCIENTIFIC INC (USA)
SPECIFICATIONS
base_styleMEDIUM BIPIN (FLUORESCENT)
bulb_styleT (TUBULAR)
current_typeAC
overall_width7.625 INCHES NOMINAL IN
overall_length48.000 INCHES NOMINAL IN
voltage_rating120.0 VOLTS NOMINAL
wattage_rating32.000 WATTS
bulb_designatorT-8
frequency_rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
overall_diameter3.750 INCHES NOMINAL IN
special_featuresENERGY SAVER
rated_average_lifeHOURS
NSN6640-01-125-3765
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RECEIVER,RADIO TITLE COMPONENT PN 31991-3 MFR RECEIVER,RADIO
KEY FEATURES
VOLTAGE RATING: 120.0 VOLTS NOMINAL
FREQUENCY RATING: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
WATTAGE RATING: 600.0 WATTS
SURFACE HEATING UNIT QUANTITY: 1
OVERALL DIAMETER: 3.750 INCHES NOMINAL IN
MAXIMUM TEMP RATING: 220.0 CELSIUS DEGC
TECHNICAL CHARACTERISTICS (FLIS)
VOLTAGE RATING120.0 VOLTS NOMINAL
FREQUENCY RATING50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
WATTAGE RATING600.0 WATTS
SURFACE HEATING UNIT QUANTITY1
OVERALL DIAMETER3.750 INCHES NOMINAL IN
MAXIMUM TEMP RATING220.0 CELSIUS DEGC
OVERALL WIDTH7.625 INCHES NOMINAL IN
SPECIAL FEATURESTHERMOSTAT CUTOFF 243 DEG C; INTEGRAL THERMOSTAT MAINTAINS TOP PLATE TEMPERATURE; FOR USE IN CLASS 1 GROUP D HAZARDOUS AREAS; INCLUDES WELL 1.109 INCH DIAMETER AND 2.5 INCHES DEPTH; WEIGHT 7.25 LBS; VINYL COVERED STEEL; CORROSION RESISTANT CASE LBS
OVERALL LENGTH7.000 INCHES NOMINAL IN
CURRENT TYPEAC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
106-10004Interchangeable
interchangeable cross-reference
interchangeable
114963Interchangeable
interchangeable cross-reference
interchangeable
G9-42Interchangeable
interchangeable cross-reference
interchangeable
DG9T42Interchangeable
interchangeable cross-reference
interchangeable
363-451-9517Interchangeable
interchangeable cross-reference
interchangeable
VG-602Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31991-3?
31991-3 is a RECEIVER,RADIO. It is classified as a MRO (MRO_GENERAL).
What parts can replace 31991-3?
There are 15 known substitutes for 31991-3: 106-10004, 114963, G9-42 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31991-3?
31991-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6640-01-125-3765. This indicates validated use in U.S. government and defense supply chains.
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