NSN 1660-01-253-9510 123SCEC51505, 123SCEC5150-5, 78D521

Product Details | AIRCRAFT AIR TO AIR HEAT EXCHANGER

1660-01-253-9510 A heat transfer device designed to lower compressed air temperature to an acceptable level by passing it through tubes and flowing ducted ram air over the tubes, heat of the compressed air is transferred to the ram air reducing the temperature. Consists of a sheet metal housing with ram air connection(s) with or without ducts, a tubular type core, inlet and outlet ports. May contain a shutoff valve. Normally used in aircraft air conditioning and/or air induction systems.

Part Alternates: 123SCEC51505, 123SCEC5150-5, 78D521, 78D52-1, 78D523, 78D52-3, 8951378D52, 1660-01-253-9510, 01-253-9510, 1660012539510, 012539510

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

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
16	28 APR 1987	01-253-9510	61419 ( HEAT EXCHANGER, AIR TO AIR, AIRCRAFT )

Drawings & Photos | NSN 1660-01-253-9510

Part Number	Request Date	QTY	Origin
1660-01-253-9510	2024-02-58	4	EC
1660-01-253-9510	2022-09-258	0	NECO
1660-01-253-9510	2021-07-207	1	TW
78D52-3	2020-11-319	0
1660-01-253-9510	2020-11-317	0	NECO
78D52-3	2020-07-185	0
1660-01-253-9510	2020-07-184	0	NECO
123SCEC51505	2020-05-140	2	US
1660-01-253-9510	2020-05-128	0	NECO
1660-01-253-9510	2020-05-128	0	NECO
1660-01-253-9510	2020-02-38	3	NECO
78D52-3	2019-09-256	12
1660-01-253-9510	2019-09-255	12	NECO
1660-01-253-9510	2019-08-241	1	NECO
78D523	2014-09-258	3	US
1660-01-253-9510	2013-10-291	1	US
1660-01-253-9510	2013-09-266	10	US
1660-01-253-9510	2013-09-266	10	US
1660-01-253-9510	2013-09-266	10	US
1660-01-253-9510	2013-05-134	2	DIBBS
1660-01-253-9510	2013-01-23	1	DIBBS
1660-01-253-9510	2011-09-258	1	United States
1660-01-253-9510	2010-10-285	2	Taiwan
1660-01-253-9510	2010-09-244	2	United States
1660-01-253-9510	2010-08-242	2	US
123SCEC51505	2010-08-235	2	Taiwan
1660-01-253-9510	2010-08-228	2	Taiwan
1660-01-253-9510	2010-08-228	2	Taiwan
1660-01-253-9510	2010-08-228	2	DIBBS
1660-01-253-9510	2010-07-193	1	Taiwan
1660-01-253-9510	2010-07-193	2	DIBBS
1660-01-253-9510	2010-06-175	1	Taiwan
1660-01-253-9510	2010-06-174	1	Taiwan
1660-01-253-9510	2010-05-139	1	United States
1660-01-253-9510	2010-02-49	2	DIBBS
1660-01-253-9510	2009-12-355	1	US
1660-01-253-9510	2009-10-303	35	US
1660-01-253-9510	2009-07-191	2	DIBBS
1660-01-253-9510	2009-06-175	2	DIBBS
1660-01-253-9510	2009-02-54	1	US
1660-01-253-9510	2009-02-42	2	United States
1660-01-253-9510	2008-10-280	2	DIBBS
1660-01-253-9510	2008-05-140	2	DIBBS

Cross Reference | NSN 1660-01-253-9510

Part Number	Cage Code	Manufacturer
123SCEC5150-5	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE
78D52-1	72914	GRIMES AEROSPACE COMPANY DBA HONEYWELL
78D52-3	02LU7	HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
78D52-3	45934	ONTIC ENGINEERING AND MANUFACTURING, INC.
78D52-3	72914	GRIMES AEROSPACE COMPANY DBA HONEYWELL
8951378D52	72914	GRIMES AEROSPACE COMPANY DBA HONEYWELL

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Related Products | NSN 1660-01-253-9510

1660-01-254-3206, 1660-01-254-3737, 1660-01-254-3862, 1660-01-255-1316, 1660-01-255-1317

Technical Data | NSN 1660-01-253-9510

Characteristic	Specifications
III END ITEM IDENTIFICATION	ACFT E-2C
MANUFACTURERS CODE	26512
MFR SOURCE CONTROLLING REFERENCE	123SCEC5150-5

Restrictions/Controls & Freight Information | NSN 1660-01-253-9510

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	B	Munitions 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:	U	UNCLASSIFIED
Precious Metals Indicator Code:	A	Item does not contain precious metal
Criticality Code:	X	The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:	0	Represents 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	011790	AIRCRAFT PARTS NOI
Less than car load rating
Less than truck load rating	W	Rating Variable
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
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 1660-01-253-9510

Navy

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
Special Material ID	EE	SPECIAL ELECTRONICAIRCRAFT(E2C)
Special Material Content	9	Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Acquisition Advice Codes	Z	INSURANCE/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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each