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Technical Data Sheet
55-1421-1 ✓ 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
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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: 1.140 INCHES MAXIMUM IN, voltage_rating: 8.500 VOLTS NOMINAL, wattage_rating: 62.000 WATTS, bulb_designator: T-3. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-01-237-1481, 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
55-1421-1
NSN: 6240-01-237-1481
FSC: 6240
CAGE: 72914 — GRIMES AEROSPACE COMPANY (USA)
SPECIFICATIONS
base_styleWIRE LEADS, DOWN
bulb_styleT (TUBULAR)
overall_length1.140 INCHES MAXIMUM IN
voltage_rating8.500 VOLTS NOMINAL
wattage_rating62.000 WATTS
bulb_designatorT-3
fragility_factorVERY DELICATE
special_featuresHALOGEN CYCLE; HORIZONTAL INSULATED LEADS
wire_lead_length9.000 INCHES NOMINAL IN
rated_average_lifeHOURS
light_center_length0.280 INCHES NOMINAL IN
light_output_rating110.000 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
NSN6240-01-237-1481
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LAMP,INCANDESCENT TITLE COMPONENT PN 55-1421-1 MFR LAMP,INCANDESCENT
KEY FEATURES
WIRE LEAD LENGTH: 9.000 INCHES NOMINAL IN
FILAMENT DESIGNATION: C-6
FRAGILITY FACTOR: VERY DELICATE
LIGHT OUTPUT RATING: 110.000 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
BULB LIGHT TRANSMISSION CHARACTERISTIC: TRANSPARENT
CURRENT RATING FOR WHICH DESIGNED: 7.294 AMPERES NOMINAL
EMITTED LIGHT CHARACTERISTIC: COLORLESS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.140 INCHES MAXIMUM IN
WIRE LEAD LENGTH9.000 INCHES NOMINAL IN
FILAMENT DESIGNATIONC-6
FRAGILITY FACTORVERY DELICATE
LIGHT OUTPUT RATING110.000 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
BULB LIGHT TRANSMISSION CHARACTERISTICTRANSPARENT
CURRENT RATING FOR WHICH DESIGNED7.294 AMPERES NOMINAL
EMITTED LIGHT CHARACTERISTICCOLORLESS
BULB DESIGNATORT-3
SPECIAL FEATURESHALOGEN CYCLE; HORIZONTAL INSULATED LEADS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
D405204-25Interchangeable
interchangeable cross-reference
interchangeable
VSM-4480Interchangeable
interchangeable cross-reference
interchangeable
4730PL0835332Interchangeable
interchangeable cross-reference
interchangeable
1610BLInterchangeable
interchangeable cross-reference
interchangeable
01-403-0034-4PC76Interchangeable
interchangeable cross-reference
interchangeable
01-435-0212-5 PC98Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55-1421-1?
55-1421-1 is a LAMP,INCANDESCENT.
What parts can replace 55-1421-1?
There are 14 known substitutes for 55-1421-1: D405204-25, VSM-4480, 4730PL0835332 and 11 more. Substitute compatibility should be verified for your specific system.
Is 55-1421-1 still available?
55-1421-1 is currently cancelled.
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