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Thermal Insulation Board

Model / MPN: HH-I-558 | NSN: 5640-00-079-3360
ITAR Registered seal

An item identical in construction to insulation block, thermal except that it is supplied in lengths greater than 36 inches (914.4 mm). Excludes building board (as modified). Millboard, asbestos; asbestos sheet, compressed; cork sheet; cork and rubbersheet; and fiberboard (as modified). See also insulation blanket, thermal.

Product Details
NATO Stock Number
5640-00-079-3360
Sold in multiples of
SH
DEMIL
NO
Overall Length
48.000 inches
Tempurature Rating
400.0 degrees fahrenheit
Overall Width
24.000 inches
Overall Thickness
2.000 inches
Maximum Thermal Conductivity
0.25 at 50 deg. F mean temp.
Coverage Width
24.000 inches
Coverage Length
48.000 inches
Long Edge Joint Style
Butt joint
Short Edge Joint Style
Butt joint
Flameproof Feature
Included
Water Repellent Coated Surface
Not provided
One Side Decoration Provision
Not provided
Density Rating
10.0 pounds per cubic foot
Material
Mineral fiber
Material
Mineral fiber
Nondefinitive Specification/std Data
1 class
Departure From Cited Designator
As modified by temp rating

Pricing and Availability

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HH-I-558 Cross Reference
  • ASTM C612
  • HH-I-558 FMACL1
  • ASTM C612
  • HH-I-558 FMACL1
  • ASTM C612
  • HH-I-558 FMACL1