FTC121-601 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

FTC121-601: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION 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: 24.000 VOLTS NOMINAL, bulb_designator: T-2, features_provided: FILAMENT SHIELDING AND HEAT RESISTANT GLASS. This part is cataloged in the U.S.

Government catalog under NSN 6240-00-155-7816, 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

FTC121-601

NSN: 6240-00-155-7816
FSC: 6240 — Electric Lamps
CAGE: 71313 — VIKING TECHNOLOGIES, LTD. (USA)

SPECIFICATIONS

base_style	TELEPHONE SLIDE NUMBER ONE
bulb_style	T (TUBULAR)
overall_length	1.688 INCHES MAXIMUM IN
voltage_rating	24.000 VOLTS NOMINAL
bulb_designator	T-2
features_provided	FILAMENT SHIELDING AND HEAT RESISTANT GLASS
rated_average_life	HOURS
filament_designation	C-2F
average_life_rating_in_hours	5000.0
emitted_light_characteristic	WHITE
current_rating_for_which_designed	0.025 AMPERES MINIMUM AND 0.035 AMPERES MAXIMUM
filament_heavy_duty_service_rating	NOT RATED
NSN	6240-00-155-7816

COMPONENT DIAGRAM

KEY FEATURES

•

BULB LIGHT TRANSMISSION CHARACTERISTIC: TRANSPARENT

•

FILAMENT DESIGNATION: C-2F

•

BASE STYLE: TELEPHONE SLIDE NUMBER ONE

•

RATED AVERAGE LIFE: HOURS

•

BULB DESIGNATOR: T-2

•

FEATURES PROVIDED: FILAMENT SHIELDING AND HEAT RESISTANT GLASS

•

FILAMENT HEAVY DUTY SERVICE RATING: NOT RATED

TECHNICAL CHARACTERISTICS

BULB LIGHT TRANSMISSION CHARACTERISTIC	TRANSPARENT
FILAMENT DESIGNATION	C-2F
BASE STYLE	TELEPHONE SLIDE NUMBER ONE
RATED AVERAGE LIFE	HOURS
BULB DESIGNATOR	T-2
OVERALL LENGTH	1.688 INCHES MAXIMUM IN
FEATURES PROVIDED	FILAMENT SHIELDING AND HEAT RESISTANT GLASS
FILAMENT HEAVY DUTY SERVICE RATING	NOT RATED
EMITTED LIGHT CHARACTERISTIC	WHITE
BULB STYLE	T (TUBULAR)

SUBSTITUTES & CROSS-REFERENCES 3

24A1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

C78-391Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

ML-24A-1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is FTC121-601?

FTC121-601 is a SPRING,HELICAL,COMPRESSION.

What parts can replace FTC121-601?

There are 3 known substitutes for FTC121-601: 24A1, C78-391, ML-24A-1. Substitute compatibility should be verified for your specific system.

What is the NSN for FTC121-601?

FTC121-601 is cataloged in the U.S. Government catalog under NSN 6240-00-155-7816. This indicates validated use in U.S. government and defense supply chains.

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FTC121-601 — SPRING,HELICAL,COMPRESSION

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