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		                        | National Stock Number:
 1660-01-300-3312
 
 Federal Supply Class:
 1660
 
 National Item Identification Number:
 013003312
 
 Description:
 INSULATION PIPE COVERING,THERMAL
 
 Detail:
 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.
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 Manufacturer Information:
 
 | 224H29837 | 22013 | TIGHITCO INC. |  | 5904305 | 99167 | HAMILTON SUNDSTRAND CORPORATION | 
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 Techincal Specification:
 
 | MATERIAL DOCUMENT AND CLASSIFICATION | COMP 321 ASSN STD SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |  | MATERIAL | STEEL COMP 321 LOCATION NOT OTHERWISE SPECIFIED |  | SPECIAL FEATURES | 8.250 IN. LONG; B-1B ACFT | 
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