Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MANUAL 81-0108D 64-0021 SH 6 found under Filter Element Air Conditioning by Branick Industries Inc. The National Stock Number assigned to this part is 4130016070251, and the Federal Supply Class is 4130 Refrigeration And Air Conditioning Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MANUAL 81-0108D 64-0021 SH 6.