SY4025 — LAMP,INCANDESCENT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

SY4025: LAMP,INCANDESCENT.

The LAMP,INCANDESCENT is a the manufacturer industrial component. Key specifications include base_style: MEDIUM SCREW, bulb_style: PS (PEAR SHAPE, STRAIGHT NECK), overall_length: 6.938 INCHES MAXIMUM IN, voltage_rating: 120.000 VOLTS NOMINAL, wattage_rating: 500.000 WATTS, bulb_designator: PS-25. This part is cataloged in the U.S.

Government catalog under NSN 6240-00-811-4640, 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

SY4025

NSN: 6240-00-811-4640
FSC: 6240 — Electric Lamps
CAGE: 80149 — CALUMET PHOTOGRAPHIC, INC. (USA)

SPECIFICATIONS

base_style	MEDIUM SCREW
bulb_style	PS (PEAR SHAPE, STRAIGHT NECK)
overall_length	6.938 INCHES MAXIMUM IN
voltage_rating	120.000 VOLTS NOMINAL
wattage_rating	500.000 WATTS
bulb_designator	PS-25
light_beam_type	FLOOD
rated_average_life	HOURS
light_output_rating	13650.000 LUMENS NOMINAL SINGLE RATING
filament_designation	C-9
average_life_rating_in_hours	60.0
emitted_light_characteristic	WHITE
NSN	6240-00-811-4640

COMPONENT DIAGRAM

KEY FEATURES

•

BULB LIGHT TRANSMISSION CHARACTERISTIC: TRANSLUCENT

•

FILAMENT DESIGNATION: C-9

•

BASE STYLE: MEDIUM SCREW

•

RATED AVERAGE LIFE: HOURS

•

BULB DESIGNATOR: PS-25

•

FILAMENT HEAVY DUTY SERVICE RATING: NOT RATED

•

LIGHT BEAM TYPE: FLOOD

TECHNICAL CHARACTERISTICS

BULB LIGHT TRANSMISSION CHARACTERISTIC	TRANSLUCENT
FILAMENT DESIGNATION	C-9
BASE STYLE	MEDIUM SCREW
RATED AVERAGE LIFE	HOURS
BULB DESIGNATOR	PS-25
OVERALL LENGTH	6.938 INCHES MAXIMUM IN
FILAMENT HEAVY DUTY SERVICE RATING	NOT RATED
LIGHT BEAM TYPE	FLOOD
WATTAGE RATING	500.000 WATTS
EMITTED LIGHT CHARACTERISTIC	WHITE

SUBSTITUTES & CROSS-REFERENCES 3

PH500PS25-5-120VReference document

Same NSN cross-reference

Reference document — Secondary reference

WL101Reference document

Same NSN cross-reference

Reference document — Identification reference

ECTReference document

Same NSN cross-reference

Reference document — Secondary reference

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 SY4025?

SY4025 is a LAMP,INCANDESCENT.

What parts can replace SY4025?

There are 3 known substitutes for SY4025: PH500PS25-5-120V, WL101, ECT. Substitute compatibility should be verified for your specific system.

What is the NSN for SY4025?

SY4025 is cataloged in the U.S. Government catalog under NSN 6240-00-811-4640. This indicates validated use in U.S. government and defense supply chains.

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