Part Details | THERMAL INSULATION BOARD
5640-01-021-7458 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.
Alternate Parts: HHI558, HH-I-558, HHI558 FMACL1, HH-I-558 FMACL1, 5640-01-021-7458, 01-021-7458, 5640010217458, 010217458
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 56 | MAY 20, 1976 | 01-021-7458 | 15118 ( INSULATION BOARD, THERMAL ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5640-01-021-7458
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| HH-I-558 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| HH-I-558 FMACL1 | 80244 | GENERAL SERVICES ADMINISTRATIONFEDERAL SUPPLY SERVICE |
Technical Data | NSN 5640-01-021-7458
| Characteristic | Specifications |
|---|---|
| MATERIAL | GLASS FIBER |
| OVERALL THICKNESS | 1.000 INCHES NOMINAL |
| OVERALL WIDTH | 36.000 INCHES NOMINAL |
| OVERALL LENGTH | 48.000 INCHES NOMINAL |
| FLAMEPROOF FEATURE | INCLUDED |
| WATER REPELLENT COATED SURFACE | NOT PROVIDED |
| ONE SIDE DECORATION PROVISION | NOT PROVIDED |
| NONDEFINITIVE SPEC/STD DATA | A FORM AND 1 CLASS |