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Technical Data Sheet
MS25231-1819S ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The LAMP,INCANDESCENT is a the manufacturer industrial component. Key specifications include base_style: MINIATURE BAYONET, bulb_style: T (TUBULAR), overall_length: 1.088 INCHES MINIMUM IN, voltage_rating: 28.000 VOLTS NOMINAL, wattage_rating: 1.120 WATTS, bulb_designator: T-3 1/4. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-01-224-0052, 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
MS25231-1819S
NSN: 6240-01-224-0052
FSC: 6240
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
base_styleMINIATURE BAYONET
bulb_styleT (TUBULAR)
overall_length1.088 INCHES MINIMUM IN
voltage_rating28.000 VOLTS NOMINAL
wattage_rating1.120 WATTS
bulb_designatorT-3 1/4
rated_average_lifeHOURS
light_center_length0.625 INCHES NOMINAL IN
light_output_rating0.340 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
filament_designationC-2F
average_life_rating_in_hours2500.0
emitted_light_characteristicCOLORLESS
NSN6240-01-224-0052
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LAMP,INCANDESCENT TITLE COMPONENT PN MS25231-1819S MFR LAMP,INCANDESCENT
KEY FEATURES
FILAMENT DESIGNATION: C-2F
WATTAGE RATING: 1.120 WATTS
LIGHT CENTER LENGTH: 0.625 INCHES NOMINAL IN
VOLTAGE RATING: 28.000 VOLTS NOMINAL
LIGHT OUTPUT RATING: 0.340 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
EMITTED LIGHT CHARACTERISTIC: COLORLESS
RATED AVERAGE LIFE: HOURS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.088 INCHES MINIMUM IN
FILAMENT DESIGNATIONC-2F
WATTAGE RATING1.120 WATTS
LIGHT CENTER LENGTH0.625 INCHES NOMINAL IN
VOLTAGE RATING28.000 VOLTS NOMINAL
LIGHT OUTPUT RATING0.340 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
EMITTED LIGHT CHARACTERISTICCOLORLESS
RATED AVERAGE LIFEHOURS
FILAMENT HEAVY DUTY SERVICE RATINGNOT RATED
BULB DESIGNATORT-3 1/4
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
657658Interchangeable
interchangeable cross-reference
interchangeable
43007018-4Interchangeable
interchangeable cross-reference
interchangeable
OL-6839Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-6363Interchangeable
interchangeable cross-reference
interchangeable
R1819Interchangeable
interchangeable cross-reference
interchangeable
1819RInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS25231-1819S?
MS25231-1819S is a LAMP,INCANDESCENT.
What parts can replace MS25231-1819S?
There are 28 known substitutes for MS25231-1819S: 657658, 43007018-4, OL-6839 and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS25231-1819S?
MS25231-1819S is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-01-224-0052. This indicates validated use in U.S. government and defense supply chains.
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