NSN 5640-00-641-8631
Part Details | THERMAL INSULATION SLEEVING
5640-00-641-8631 A rigid or flexible item composed of one or more materials, having uniform inside and outside diameters in the entire length. It may be furnished in segments or split-round or full-round sections, composed of one or more layers. It is specifically designed to cover pipe, tubing, and like surfaces, to restrict the transfer of heat from the high temperature surface to the low temperature surface. It may also include protective coatings, jackets, attaching cement, attaching bands, and/or accessories, (excluding prefabricated components used in aircraft applications). Excludes INSULATION PIPE COVERING, THERMAL, AIRCRAFT.
Alternate Parts: MILI2781, MIL-I-2781, 5640-00-641-8631, 00-641-8631, 5640006418631, 006418631
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 56 | MAY 09, 1966 | 00-641-8631 | 13289 ( INSULATION SLEEVING, THERMAL ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5640-00-641-8631
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MIL-I-2781 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 5640-00-641-8631
| Characteristic | Specifications |
|---|---|
| FLEXIBILITY | RIGID |
| LAYER QUANTITY | 1 |
| FABRICATION METHOD | M ANY ACCEPTABLE |
| MATERIAL DENSITY | 14.0 POUNDS PER CUBIC FOOT NOMINAL |
| FLAMMABILITY RATING | NOT RATED |
| TEMP RATING | 315.5 DEG CELSIUS MAXIMUM |
| INSULATION THICKNESS | 0.938 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
| INSIDE DIAMETER | 3.500 INCHES NOMINAL |
| LENGTH | 35.875 INCHES MINIMUM AND 36.125 INCHES MAXIMUM |
| DESIGN FORM | SPLIT ROUND |
| NONDEFINITIVE SPEC/STD DATA | 1 GRADE AND B CLASS |