Model: MIL-I-742

Thermal Insulation Block

Special Features:

Incombustible

Properties:

Overall Length
36.000 inches
Overall Width
24.000 inches
Overall Thickness
1.000 inches
Maximum Thermal Conductivity
0.23 at 75 degrees f mean temp
Coverage Width
24.000 inches
Coverage Length
36.000 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
Provided
Density Rating
4.650 pounds per cubic foot
Material
Fiberglass
Material
Glass fiber
Nondefinitive Specification/std Data
1 type
NSN
5640-00-809-6312
Part Number
MIL-I-742
Description
Insulation Block,thermal
CAGE
81349

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.

Part MIL-I-742 NSN 5640-00-809-6312

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15117
FIIG:
T230-A
Concept No.:
App. Key:
AA
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
Y
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
103300
UFC:
53360
LTL:
RATING VARIABLE
LCL:
--
WCC:
561
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 6806900050
  • SITC: 66353
  • End Use: Shingles, molding, wallboard
  • NAICS: 327993
  • USDA: 1

Freight Class: Mixtures and articles of heat-insulating sound-absorbing mineral materials, nesoi

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