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Technical Data Sheet
CM634 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The LAMP,INCANDESCENT is a the manufacturer industrial component. Key specifications include base_style: WIRE LEADS, DOWN, bulb_style: T (TUBULAR), overall_length: 0.460 INCHES MAXIMUM IN, voltage_rating: 6.000 VOLTS NOMINAL, wattage_rating: 0.120 WATTS, bulb_designator: T-1 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 6240-00-881-9624, 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
CM634
NSN: 6240-00-881-9624
FSC: 6240
CAGE: R1120 — SATAIR A/S (DNK)
SPECIFICATIONS
base_styleWIRE LEADS, DOWN
bulb_styleT (TUBULAR)
overall_length0.460 INCHES MAXIMUM IN
voltage_rating6.000 VOLTS NOMINAL
wattage_rating0.120 WATTS
bulb_designatorT-1 1/4
wire_lead_length0.500 INCHES NOMINAL IN
rated_average_lifeHOURS
light_center_length0.120 INCHES NOMINAL IN
light_output_rating0.630 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
filament_designationC-2R
average_life_rating_in_hours1000.0
NSN6240-00-881-9624
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LAMP,INCANDESCENT TITLE COMPONENT PN CM634 MFR LAMP,INCANDESCENT
KEY FEATURES
BULB DESIGNATOR: T-1 1/4
AVERAGE LIFE RATING IN HOURS: 1000.0
LIGHT OUTPUT RATING: 0.630 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
WATTAGE RATING: 0.120 WATTS
VOLTAGE RATING: 6.000 VOLTS NOMINAL
BASE STYLE: WIRE LEADS, DOWN
LIGHT CENTER LENGTH: 0.120 INCHES NOMINAL IN
BULB STYLE: T (TUBULAR)
TECHNICAL CHARACTERISTICS (FLIS)
BULB DESIGNATORT-1 1/4
AVERAGE LIFE RATING IN HOURS1000.0
LIGHT OUTPUT RATING0.630 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
WATTAGE RATING0.120 WATTS
VOLTAGE RATING6.000 VOLTS NOMINAL
BASE STYLEWIRE LEADS, DOWN
LIGHT CENTER LENGTH0.120 INCHES NOMINAL IN
BULB STYLET (TUBULAR)
BULB LIGHT TRANSMISSION CHARACTERISTICTRANSPARENT
RATED AVERAGE LIFEHOURS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
634Interchangeable
interchangeable cross-reference
interchangeable
634-15639Interchangeable
interchangeable cross-reference
interchangeable
631Interchangeable
interchangeable cross-reference
interchangeable
12HLFDInterchangeable
interchangeable cross-reference
interchangeable
AS5183D1212Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS4843/2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CM634?
CM634 is a LAMP,INCANDESCENT.
What parts can replace CM634?
There are 18 known substitutes for CM634: 634, 634-15639, 631 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CM634?
CM634 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-881-9624. This indicates validated use in U.S. government and defense supply chains.
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