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Technical Data Sheet
A-A-1966 ✓ 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 LAMP,INCANDESCENT is a the manufacturer industrial component. Key specifications include base_style: THREE CONTACT MEDIUM SCREW, bulb_style: A (ARBITRARY DESIGNATION), overall_length: 5.938 INCHES MAXIMUM IN, voltage_rating: 120.000 VOLTS NOMINAL, wattage_rating: 50.000 WATTS AND 100.000 WATTS AND 150.000 WATTS, bulb_designator: A-21. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-889-5256, 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
A-A-1966
NSN: 6240-00-889-5256
FSC: 6240
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
base_styleTHREE CONTACT MEDIUM SCREW
bulb_styleA (ARBITRARY DESIGNATION)
overall_length5.938 INCHES MAXIMUM IN
voltage_rating120.000 VOLTS NOMINAL
wattage_rating50.000 WATTS AND 100.000 WATTS AND 150.000 WATTS
bulb_designatorA-21
burning_positionBASE DOWN
rated_average_lifeHOURS
light_center_length4.188 INCHES NOMINAL IN
light_output_rating560.000 LUMENS NOMINAL FIRST RATING
filament_designationCC-8
average_life_rating_in_hours1200.0
NSN6240-00-889-5256
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LAMP,INCANDESCENT TITLE COMPONENT PN A-A-1966 MFR LAMP,INCANDESCENT
KEY FEATURES
WATTAGE RATING: 30.000 WATTS AND 70.000 WATTS
BURNING POSITION: BASE DOWN
AVERAGE LIFE RATING IN HOURS: 1200.0
BULB STYLE: A (ARBITRARY DESIGNATION)
EMITTED LIGHT CHARACTERISTIC: WHITE
LIGHT CENTER LENGTH: 3.750 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA: 08108-301100-120V MANUFACTURERS STANDARD V
BASE STYLE: THREE CONTACT MEDIUM SCREW
TECHNICAL CHARACTERISTICS (FLIS)
WATTAGE RATING30.000 WATTS AND 70.000 WATTS
BURNING POSITIONBASE DOWN
AVERAGE LIFE RATING IN HOURS1200.0
BULB STYLEA (ARBITRARY DESIGNATION)
EMITTED LIGHT CHARACTERISTICWHITE
LIGHT CENTER LENGTH3.750 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA08108-301100-120V MANUFACTURERS STANDARD V
BASE STYLETHREE CONTACT MEDIUM SCREW
LIGHT OUTPUT RATING1320.000 LUMENS NOMINAL THIRD RATING
BULB DESIGNATORA-21
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
A-A-1966Interchangeable
interchangeable cross-reference
interchangeable
50/150A/W-120VInterchangeable
interchangeable cross-reference
interchangeable
A-A-1966 TY2Interchangeable
interchangeable cross-reference
interchangeable
30/100/W-120VInterchangeable
Same NIIN cross-reference
interchangeable
30/100Interchangeable
Same NIIN cross-reference
interchangeable
30100Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-A-1966?
A-A-1966 is a LAMP,INCANDESCENT.
What parts can replace A-A-1966?
There are 7 known substitutes for A-A-1966: A-A-1966, 50/150A/W-120V, A-A-1966 TY2 and 4 more. Substitute compatibility should be verified for your specific system.
Is A-A-1966 still available?
A-A-1966 is currently cancelled.
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