Product Details | AIRCRAFT THERMAL INSULATION PIPE COVERING

1660-00-409-1856 An item composed of one or more materials, molded, compressed, and/or baked into a rigid covering of irregular shapes and sizes. It is designed to cover air ducts and/or air duct fittings used in air conditioning, heating, cooling, pressurizing and de-icing systems to restrict the dissipation of heat. It may completely or partially encase the item for which designed. It may be furnished with or without fillers, cement, and/or separate or attached accessories for installation, (excluding flexible air duct covering and rigid pipe and pipe fitting coverings used in construction and building materials). Excludes INSULATION BLANKET, THERMAL, AIRCRAFT; INSULATION PIPE FITTING COVERING, THERMAL; and INSULATION SLEEVING, THERMAL.20215600030Airframe Structural Components16600062Aircraft Air Conditioning, Heating, and Pressurizing Equipment

Part Alternates: 1128EC4005121, 1128EC40051-21, 1660-00-409-1856, 00-409-1856, 1660004091856, 004091856

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

Supply Group (FSG) NSN Assign. NIIN
16 20 JAN 1972 00-409-1856

Cross Reference | NSN 1660-00-409-1856

Part Number Cage Code Manufacturer
1128EC40051-21 22013 TIGHITCO INC. DIV TIGHITCO, INC.
1128EC40051-21 26512 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE

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Technical Data | NSN 1660-00-409-1856

Characteristic Specifications
SPECIAL FEATURES 2.41 IN.LG,2.81 IN.OD 2.00 IN.ID;
MANUFACTURERS CODE 26512
DESIGN CONTROL REFERENCE 1128EC40051-21

Restrictions/Controls & Freight Information | NSN 1660-00-409-1856

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:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
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 103300 INSULATING MATERIAL NOI
Less than car load rating W Rating Variable
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 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 1660-00-409-1856

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material IDFEEA6B Special Electronic Aircraft (ex Cap configuration)
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each