Special_Packaging_Instr.pdf

This is a Special Packaging Instruction document for a heat exchanger item (Part Number 189320-3-1, National Stock Number 1660-00-273-8669). The document specifies packaging requirements for preservation, cleaning, drying, closure, and marking of the heat exchanger unit to ensure safe transport and storage.

The packaging specifications detail two preservation levels: Level A (serviceable method per IAW MIL-STD-2073) and Level B (unserviceable method per IAW MIL-STD-2073). The item must be cleaned and dried per IAW MIL-STD-2073, with marking requirements per IAW MIL-STD-129. Level A closure requires no additional specification, while Level B closure uses ASTM-D-1974. Special markings include the SPI Number F 00-273-8669, instructions for reusable container and dunnage, and prohibitions against outside storage. The heat exchanger weighs 29.55 lbs with interior dimensions of 21 1/2" length by 20" width by 12 1/4" depth for Level B packaging, and outer dimensions of 21 7/8" length by 20 3/8" width by 13" depth. The container itself measures 21 1/2" by 20" by 12 1/4". Packing components include a support top (21 1/2 x 20 x 4"), wrap (4.3 x 26), support base (21 1/2 x 20 x 4"), and container interior divider (21 1/2 x 20 x 12 1/4"). The document includes technical drawings detailing the packaging configuration and pad dimensions for proper item protection during shipment.