Product Details | THERMAL INSULATION PIPE FITTING COVERING

5640-00-421-9319 An item composed of one or more materials, molded, compressed and/or baked into a rigid covering of the proper shape and size for various standard pipe or tube fittings. It is specifically designed to restrict the transfer of heat or protect from low or high temperatures. The molds are cut in half lengthwise and may be furnished with protective coatings, jackets, attaching bands, and/or accessories for application, (excluding prefabricated components used in aircraft applications). Excludes INSULATION PIPE COVERING, THERMAL, AIRCRAFT.

Part Alternates: HHI558, HH-I-558, HH-I-558 FMBTY1CL6, HHI558FMBTY1CL6, 5640-00-421-9319, 00-421-9319, 5640004219319, 004219319

Construction and Building Materials | Wallboard, Building Paper, and Thermal Insulation Materials

Supply Group (FSG) NSN Assign. NIIN
56 21 DEC 1970 00-421-9319

Cross Reference | NSN 5640-00-421-9319

Part Number Cage Code Manufacturer
HH-I-558 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
HH-I-558 FMBTY1CL6 80244 GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE

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Technical Data | NSN 5640-00-421-9319

Characteristic Specifications
LAYER QUANTITY 1
MATERIAL GLASS FIBER
FABRICATION METHOD MOLDED
MATERIAL DENSITY ANY ACCEPTABLE
FLAMMABILITY RATING INCOMBUSTIBLE
JACKET MATERIAL PLASTIC, POLYVINYL CHLORIDE
OUTER COVERING ENVIRONMENTAL PROTECTION FIRE RETARDANT AND VAPOR BARRIER AND WEATHERPROOF
TEMP RATING -40.0 DEG CELSIUS MINIMUM AND 538.0 DEG CELSIUS MAXIMUM
INSULATION THICKNESS 0.750 INCHES NOMINAL
FITTING TYPE ACCOMMODATED ELBOW 90 DEG
END CONNECTION FITTING DESIGN ACCOMMODATED SCREWED FITTING
NOMINAL FITTING SIZE ACCOMMODATED 0.750 INCHES
NONDEFINITIVE SPEC/STD DATA B FORM AND 1 TYPE AND 6 CLASS
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE HH-I-558

Restrictions/Controls & Freight Information | NSN 5640-00-421-9319

Category Code Description
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
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.
Category Code Description
No Freight Information