Product Details | DUCT TYPE VENTILATION HEATER

4520-00-273-1253 A heat transferring unit utilizing a separate source of steam or hot water as the heat transfer medium. It consists of finned parallel tubes joined together by a header or headers and is designed for installation in the ducts of a forced air circulating system. It may be provided with a flanged outer casing to facilitate mounting of the unit in planned or existing duct work. Circulation of the heated air is achieved by use of a blower or fan not integral with the heating unit.

Part Alternates: NSTDSIZET26H, S380266970T26H, S3802-66970T26H, MILH16235, MIL-H-16235, T26H, 4520-00-273-1253, 00-273-1253, 4520002731253, 002731253

Plumbing, Heating, and Waste Disposal Equipment | Space and Water Heating Equipment

Supply Group (FSG) NSN Assign. NIIN
45 01 JAN 1963 00-273-1253

Demand History | NSN 4520-00-273-1253

Part Number Request Date QTY Origin
4520-00-273-1253 2019-04-93 5 DIBBS
4520-00-273-1253 2018-07-185 7 DIBBS
4520-00-273-1253 2015-02-32 8 DIBBS
4520-00-273-1253 2011-08-216 10 DIBBS
4520-00-273-1253 2011-06-161 2 DIBBS

Cross Reference | NSN 4520-00-273-1253

Part Number Cage Code Manufacturer
MIL-H-16235 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
NSTDSIZET26H 41197 MODINE MFG CO
S3802-66970T26H 80064 NAVAL SHIP SYSTEMS COMMAND
T26H 38450 ENGINEERED COIL COMPANY DBA DRS MARLO COIL
T26H 87103 EDGE ELECTRONICS CORPORATION DBA MC INTYRE COIL

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Technical Data | NSN 4520-00-273-1253

Characteristic Specifications
HEATING ELEMENT TYPE STEAM COIL
HEAT MEDIUM TYPE STEAM
MOUNTING TYPE VENTILATION DUCT
HEIGHT 31.125 INCHES NOMINAL
WIDTH 9.187 INCHES NOMINAL
DEPTH 7.000 INCHES NOMINAL
HEAT DISCHARGE OUTLET TYPE STATIONARY
SPECIAL FEATURES FINS COPPER 90 PER FT.
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-H-16235

Restrictions/Controls & Freight Information | NSN 4520-00-273-1253

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 026520 HEATERS WATER
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 72E unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity E Engineer supplies, other than those listed under code B.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4520-00-273-1253

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Z
EA : Each