4C9995021L1 — LAMP,INCANDESCENT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

4C9995021L1: LAMP,INCANDESCENT.

The LAMP,INCANDESCENT is a the manufacturer industrial component. Key specifications include base_style: TELEPHONE SLIDE NUMBER ONE, bulb_style: T (TUBULAR), overall_length: 1.688 INCHES MAXIMUM IN, voltage_rating: 30.000 VOLTS NOMINAL, bulb_designator: T-2, rated_average_life: INDEFINITE LONG. This part is cataloged in the U.S.

Government catalog under NSN 6240-00-186-6603, 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

4C9995021L1

NSN: 6240-00-186-6603
FSC: 6240 — Electric Lamps
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)

SPECIFICATIONS

base_style	TELEPHONE SLIDE NUMBER ONE
bulb_style	T (TUBULAR)
overall_length	1.688 INCHES MAXIMUM IN
voltage_rating	30.000 VOLTS NOMINAL
bulb_designator	T-2
rated_average_life	INDEFINITE LONG
filament_designation	C-21
emitted_light_characteristic	WHITE
current_rating_for_which_designed	0.090 AMPERES MINIMUM AND 0.110 AMPERES MAXIMUM
filament_heavy_duty_service_rating	NOT RATED
bulb_light_transmission_characteristic	TRANSPARENT
NSN	6240-00-186-6603

COMPONENT DIAGRAM

KEY FEATURES

•

BULB LIGHT TRANSMISSION CHARACTERISTIC: TRANSPARENT

•

FILAMENT DESIGNATION: C-21

•

BASE STYLE: TELEPHONE SLIDE NUMBER ONE

•

RATED AVERAGE LIFE: INDEFINITE LONG

•

BULB DESIGNATOR: T-2

•

FILAMENT HEAVY DUTY SERVICE RATING: NOT RATED

•

EMITTED LIGHT CHARACTERISTIC: WHITE

TECHNICAL CHARACTERISTICS

BULB LIGHT TRANSMISSION CHARACTERISTIC	TRANSPARENT
FILAMENT DESIGNATION	C-21
BASE STYLE	TELEPHONE SLIDE NUMBER ONE
RATED AVERAGE LIFE	INDEFINITE LONG
BULB DESIGNATOR	T-2
OVERALL LENGTH	1.688 INCHES MAXIMUM IN
FILAMENT HEAVY DUTY SERVICE RATING	NOT RATED
EMITTED LIGHT CHARACTERISTIC	WHITE
BULB STYLE	T (TUBULAR)
CURRENT RATING FOR WHICH DESIGNED	0.090 AMPERES MINIMUM AND 0.110 AMPERES MAXIMUM

SUBSTITUTES & CROSS-REFERENCES 5

30B1Reference document

Same NSN cross-reference

Reference document — Secondary reference

D9494AReference document

Same NSN cross-reference

Reference document — Secondary reference

MS15609-9Reference document

Same NSN cross-reference

Reference document — Secondary reference

C78-391Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

DB75Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 4C9995021L1?

4C9995021L1 is a LAMP,INCANDESCENT.

What parts can replace 4C9995021L1?

There are 5 known substitutes for 4C9995021L1: 30B1, D9494A, MS15609-9 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 4C9995021L1?

4C9995021L1 is cataloged in the U.S. Government catalog under NSN 6240-00-186-6603. This indicates validated use in U.S. government and defense supply chains.

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4C9995021L1 — LAMP,INCANDESCENT

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