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Technical Data Sheet
3139R312 ✓ 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 BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include base_style: DOUBLE CONTACT BAYONET CANDELABRA, bulb_style: S (STRAIGHT SIDE), overall_length: 2.375 INCHES NOMINAL IN, voltage_rating: 28.000 VOLTS NOMINAL, wattage_rating: 36.120 WATTS, bulb_designator: S-11. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-155-7925, 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
3139R312
NSN: 6240-00-155-7925
FSC: 6240
CAGE: 80058 — JOINT ELECTRONICS TYPE DESIGNATION SYSTEM (USA)
SPECIFICATIONS
base_styleDOUBLE CONTACT BAYONET CANDELABRA
bulb_styleS (STRAIGHT SIDE)
overall_length2.375 INCHES NOMINAL IN
voltage_rating28.000 VOLTS NOMINAL
wattage_rating36.120 WATTS
bulb_designatorS-11
rated_average_lifeHOURS
light_center_length1.250 INCHES NOMINAL IN
filament_designationC-2V V
specification/standard_data08108-312R MANUFACTURERS STANDARD
average_life_rating_in_hours300.0
emitted_light_characteristicRED
NSN6240-00-155-7925
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BEARING,BALL,ANNULAR TITLE COMPONENT PN 3139R312 MFR BEARING,BALL,ANNULAR
KEY FEATURES
VOLTAGE RATING: 28.000 VOLTS NOMINAL
FILAMENT HEAVY DUTY SERVICE RATING: NOT RATED
WATTAGE RATING: 36.120 WATTS
SPECIFICATION/STANDARD DATA: 08108-312R MANUFACTURERS STANDARD
BASE STYLE: DOUBLE CONTACT BAYONET CANDELABRA
BULB LIGHT TRANSMISSION CHARACTERISTIC: TRANSLUCENT
FILAMENT DESIGNATION: C-2V V
CURRENT RATING FOR WHICH DESIGNED: 1.290 AMPERES NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
VOLTAGE RATING28.000 VOLTS NOMINAL
FILAMENT HEAVY DUTY SERVICE RATINGNOT RATED
WATTAGE RATING36.120 WATTS
SPECIFICATION/STANDARD DATA08108-312R MANUFACTURERS STANDARD
BASE STYLEDOUBLE CONTACT BAYONET CANDELABRA
BULB LIGHT TRANSMISSION CHARACTERISTICTRANSLUCENT
FILAMENT DESIGNATIONC-2V V
CURRENT RATING FOR WHICH DESIGNED1.290 AMPERES NOMINAL
BULB STYLES (STRAIGHT SIDE)
EMITTED LIGHT CHARACTERISTICRED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
312RInterchangeable
interchangeable cross-reference
interchangeable
3-1/2-RInterchangeable
interchangeable cross-reference
interchangeable
A-A-51198Interchangeable
interchangeable cross-reference
interchangeable
WU-64153Interchangeable
interchangeable cross-reference
interchangeable
A-A-59174Interchangeable
interchangeable cross-reference
interchangeable
00P636Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3139R312?
3139R312 is a BEARING,BALL,ANNULAR.
What parts can replace 3139R312?
There are 8 known substitutes for 3139R312: 312R, 3-1/2-R, A-A-51198 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3139R312?
3139R312 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-155-7925. This indicates validated use in U.S. government and defense supply chains.
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