Product Details | AIRCRAFT AIR TO WATER HEAT EXCHANGER

1660-00-255-3409 A heat transfer device designed to lower compressed air temperature to an acceptable level by passing it through an exchanger core immersed in a tank of water. The heat of the air is absorbed by the water causing the water to boil and carry the heat off as steam reducing the air temperature. May contain a water tank and/or a collector or condensor section turning a portion of the steam back into water conserving the water supply. Contains air inlet and outlet ports. May incorporate an air bypass outlet and a steam vent port. Normally used in aircraft air conditioning systems.

Part Alternates: 320945, 7114432, 711443-2, 1660-00-255-3409, 00-255-3409, 1660002553409, 002553409

Aircraft Components and Accessories | Aircraft Air Conditioning, Heating, and Pressurizing Equipment

Supply Group (FSG) NSN Assign. NIIN
16 20 JUN 1973 00-255-3409

Cross Reference | NSN 1660-00-255-3409

Part Number Cage Code Manufacturer
320945 33654 HOWDEN FLUID SYSTEMS
320945 58163 MEGGITT (NORTH HOLLYWOOD), INC. DBA MEGGITT CONTROL SYSTEMS
711443-2 96214 RAYTHEON COMPANY DBA RAYTHEON

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Technical Data | NSN 1660-00-255-3409

Characteristic Specifications
SPECIAL FEATURES 13.030 IN. LG, 7.500 IN. H, 4.490 IN. W
MANUFACTURERS CODE 58163
DESIGN CONTROL REFERENCE 320945

Restrictions/Controls & Freight Information | NSN 1660-00-255-3409

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:FThe item is an Aviation Critical Safety Item/Flight Safety Critical Aircraft Part ((ACSI/FSCAP).
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 000000 NO NMFC FREIGHT DESCRIPTION
Less than car load rating M 85
Less than truck load rating Z No Rating
Water commodity Code 671 unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 1660-00-255-3409

Category Code Description
Cognizance Codes7RAeronautical Depot Level Repairable Spares
Naval Inventory Control Point, Philadelphia
Special Material IDCSANTI-SUBMARINEAIRCRAFT(S3)
Issue Repair, or RequisitionARRepairable item subject to centrally managed rework program at designated sites. Mandatory turn-in of item required except when initial issue or replacement of surveyed item is involved.
Special Material Content2 Electrostatic Discharge (ESD)/Electromagnetic (EM) Sensitive Item
Source of SupplyNRPNAVICP-ERP
700 Robbins Avenue
Philadelphia, PA 19111-5098
AgencyDNDepartment of the Navy
Service OrganizationLLead Service - 22 (Repairable)
ReparabilityHDepot Level Reparable
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