S23L — HEATER,VENTILATION,DUCT TYPE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

S23L: HEATER,VENTILATION,DUCT TYPE.

The HEATER,VENTILATION,DUCT TYPE is a the manufacturer industrial component. Key specifications include depth: 5.000 INCHES NOMINAL IN, width: 6.187 INCHES NOMINAL IN, height: 21.000 INCHES NOMINAL IN, mounting_type: VENTILATION DUCT, heat_medium_type: HOT WATER OR STEAM, special_features: FINS COPPER 36 PER FT. This part is cataloged in the U.S.

Government catalog under NSN 4520-00-273-1066, 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

S23L

NSN: 4520-00-273-1066
NIINs: 002731066, 016898154
FSC: 4520 — Space and Water Heating Equipment
CAGE: 38450 — ENGINEERED COIL COMPANY DBA ENGINEERED COIL CO DIV DRS MARLO COIL (USA)

SPECIFICATIONS

depth	5.000 INCHES NOMINAL IN
width	6.187 INCHES NOMINAL IN
height	21.000 INCHES NOMINAL IN
mounting_type	VENTILATION DUCT
heat_medium_type	HOT WATER OR STEAM
special_features	FINS COPPER 36 PER FT
heating_element_type	HOT WATER COIL OR STEAM COIL
heat_directing_device	FIXED LOUVER
heat_delivery_direction	HORIZONTAL
heat_discharge_outlet_type	STATIONARY
NSN	4520-00-273-1066

COMPONENT DIAGRAM

KEY FEATURES

•

HEAT MEDIUM TYPE: HOT WATER OR STEAM

•

HEAT DISCHARGE OUTLET TYPE: STATIONARY

•

HEAT DELIVERY DIRECTION: HORIZONTAL

•

HEIGHT: 21.000 INCHES NOMINAL IN

•

DEPTH: 5.000 INCHES NOMINAL IN

•

WIDTH: 6.187 INCHES NOMINAL IN

•

HEAT DIRECTING DEVICE: FIXED LOUVER

TECHNICAL CHARACTERISTICS

HEAT MEDIUM TYPE	HOT WATER OR STEAM
HEAT DISCHARGE OUTLET TYPE	STATIONARY
HEAT DELIVERY DIRECTION	HORIZONTAL
HEIGHT	21.000 INCHES NOMINAL IN
SPECIAL FEATURES	FINS COPPER 36 PER FT
DEPTH	5.000 INCHES NOMINAL IN
WIDTH	6.187 INCHES NOMINAL IN
HEAT DIRECTING DEVICE	FIXED LOUVER
MOUNTING TYPE	VENTILATION DUCT
HEATING ELEMENT TYPE	HOT WATER COIL OR STEAM COIL

SUBSTITUTES & CROSS-REFERENCES 3

S3802-66970S23LReference document

Same NSN cross-reference

Reference document — Design control — primary reference

MIL-H-16235CReference document

Same NSN cross-reference

Reference document — Identification reference

NSTDSIZES23LReference document

Same NSN cross-reference

Reference document — Secondary reference

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 S23L?

S23L is a HEATER,VENTILATION,DUCT TYPE.

What parts can replace S23L?

There are 3 known substitutes for S23L: S3802-66970S23L, MIL-H-16235C, NSTDSIZES23L. Substitute compatibility should be verified for your specific system.

What is the NSN for S23L?

S23L is cataloged in the U.S. Government catalog under NSN 4520-00-273-1066. This indicates validated use in U.S. government and defense supply chains.

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S23L — HEATER,VENTILATION,DUCT TYPE

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