Product Details | AIRCRAFT ENVIRONMENTAL CONTROL VALVE ASSEMBLY

1660-00-856-7730 An assembly of two or more valves on a common mounting performing separate functions. It is used on the aircraft to control the environmental system.

Part Alternates: CRU50A, 4390002, 439000-2, 4390003, 439000-3, 67A316C89, 8148650, 1660-00-856-7730, 00-856-7730, 1660008567730, 008567730

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

Supply Group (FSG) NSN Assign. NIIN
16 01 JAN 1962 00-856-7730

Demand History | NSN 1660-00-856-7730

Part Number Request Date QTY Origin
1660-00-856-7730 2014-02-24 1 United States
1660-00-856-7730 2013-02-19 2 United States
4390003 2009-05-27 1 Malaysia
1660-00-856-7730 2009-05-12 1 Malaysia
4390003 2009-05-06 1 Malaysia
4390003 2009-05-06 1 Malaysia
1660-00-856-7730 2009-04-23 1 Philippines
1660-00-856-7730 2009-04-13 1 Malaysia
1660-00-856-7730 2009-04-13 1 Malaysia
4390003 2009-04-06 1 Malaysia
4390003 2009-03-16 1 Malaysia
4390003 2009-03-15 1 Malaysia
4390003 2009-03-13 1 Malaysia
1660-00-856-7730 2009-03-12 1 Philippines
4390003 2009-03-12 1 Malaysia
8148650 2006-04-27 10 US

Cross Reference | NSN 1660-00-856-7730

Part Number Cage Code Manufacturer
439000-2 83533 ESSEX INDUSTRIES, INC. DIV MANUFACTURING DIVISION
439000-3 83533 ESSEX INDUSTRIES, INC. DIV MANUFACTURING DIVISION
67A316C89 30003 NAVAL AIR SYSTEMS COMMAND
67A316C89 91764 MESTEK INC KOLDWAVE DIV
8148650 98748 AIR FORCE UNITED STATES DEPARTMENT OF THE
CRU50A 81352 AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS

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Technical Data | NSN 1660-00-856-7730

Characteristic Specifications
GENERAL CHARACTERISTICS ITEM DESCRIPTION 4.830 IN,LENGTH OVERALL; 2.312 IN. HEIGHT OVERALL; 2.000 IN. WIDTH; FOUR 0.265 IN. DIAMETER HOLES ON 2.062 IN. DIAMETER BOLT CIRCLE LOCATED IN FLANGE; BAYONET FITTING ONE END; 0.125 ANPT EXTERNAL THD OTHER END
MANUFACTURERS CODE 81352
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE CRU50A

Restrictions/Controls & Freight Information | NSN 1660-00-856-7730

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: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: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 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 XX
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 1660-00-856-7730

Category Code Description
Cognizance Codes9GNavy-owned stocks of defense general material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each