H4739 — LAMP,INCANDESCENT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

H4739: LAMP,INCANDESCENT.

The LAMP,INCANDESCENT is a the manufacturer industrial component. Key specifications include base_style: THREE CONTACT LUGS, bulb_style: REC (RECTANGULAR, ALUMINIZED REFLECTOR), voltage_rating: 12.800 VOLTS NOMINAL, wattage_rating: 40.000 WATTS AND 50.000 WATTS, bulb_designator: 2A1, end_item_identification: 2320-01-272-5029. This part is cataloged in the U.S.

Government catalog under NSN 6240-01-341-3770, 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

H4739

NSN: 6240-01-341-3770
FSC: 6240 — Electric Lamps
CAGE: 56962 — GTE PRODUCTS CORP MINIATURE LIGHTING PRODUCTS GROUP (USA)

SPECIFICATIONS

base_style	THREE CONTACT LUGS
bulb_style	REC (RECTANGULAR, ALUMINIZED REFLECTOR)
voltage_rating	12.800 VOLTS NOMINAL
wattage_rating	40.000 WATTS AND 50.000 WATTS
bulb_designator	2A1
end_item_identification	2320-01-272-5029
emitted_light_characteristic	WHITE
bulb_light_transmission_characteristic	TRANSLUCENT
NSN	6240-01-341-3770

COMPONENT DIAGRAM

KEY FEATURES

•

BULB LIGHT TRANSMISSION CHARACTERISTIC: TRANSLUCENT

•

BASE STYLE: THREE CONTACT LUGS

•

BULB DESIGNATOR: 2A1

•

WATTAGE RATING: 40.000 WATTS AND 50.000 WATTS

•

EMITTED LIGHT CHARACTERISTIC: WHITE

•

BULB STYLE: REC (RECTANGULAR, ALUMINIZED REFLECTOR)

•

VOLTAGE RATING: 12.800 VOLTS NOMINAL

TECHNICAL CHARACTERISTICS

BULB LIGHT TRANSMISSION CHARACTERISTIC	TRANSLUCENT
BASE STYLE	THREE CONTACT LUGS
BULB DESIGNATOR	2A1
WATTAGE RATING	40.000 WATTS AND 50.000 WATTS
EMITTED LIGHT CHARACTERISTIC	WHITE
BULB STYLE	REC (RECTANGULAR, ALUMINIZED REFLECTOR)
END ITEM IDENTIFICATION	2320-01-272-5029
VOLTAGE RATING	12.800 VOLTS NOMINAL

OTHER ITEMS IN FSC 6240 — Electric Lamps

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

6240-00-000-0101 6240-00-001-1436 6240-00-001-1519 6240-00-001-1520 6240-00-001-1521 6240-00-001-1541 6240-00-001-1545

SUBSTITUTES & CROSS-REFERENCES 3

H5062Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

H4656LLReference document

Same NSN cross-reference

Reference document — Secondary reference

6240013413770Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is H4739?

H4739 is a LAMP,INCANDESCENT.

What parts can replace H4739?

There are 3 known substitutes for H4739: H5062, H4656LL, 6240013413770. Substitute compatibility should be verified for your specific system.

What is the NSN for H4739?

H4739 is cataloged in the U.S. Government catalog under NSN 6240-01-341-3770. This indicates validated use in U.S. government and defense supply chains.

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H4739 — LAMP,INCANDESCENT

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