National Item Identification Number
00-267-1580
002671580
5640-00-267-1580
5640002671580
National Stock Number
Item Name
INSULATION BLOCK,THERMAL
Federal Supply Class
5640
Description
A rigid item designed to provide low thermal conductivity. It is composed of one or more kinds of granules and/or fiber with binder added, and has no specific surface perforations, fissures, slots or the like. It is supplied in lengths up to and including 36 inches (914.4 mm). For longer items, see INSULATION BOARD, THERMAL. Excludes BUILDING BOARD (as modified); MILLBOARD, ASBESTOS; ASBESTOS SHEET, COMPRESSED; CORK SHEET; CORK AND RUBBER SHEET; and FIBERBOARD (as modified). See also INSULATION BLANKET, THERMAL.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
MIL-I-2819
MIL-PRF-2819
Required Categories
MATERIAL
OVERALL THICKNESS
COVERAGE WIDTH
OVERALL WIDTH
COVERAGE LENGTH
OVE
Required Description
ANY ACCEPTABLE
1.438 INCHES MINIMUM AND
1.562 INCHES MAXIMUM
2.938 INCHES MIN