Uncommon Raychem Corporation spool of HTTMS markers used on a Space Shuttle Orbiter Spacehab module. The yellow spool measures 14″ in diameter, and features affixed warning, instructions, and parts labels to reverse, with the latter reading, in part:"HTTMS-CM-1/4-4H-9, PCN: 5027160009, Lot #: MFG242892, Qty: 2500 Pcs, DOM: 8/97." Includes the original band and Raychem shipping box with material acceptance tag bearing an inspection stamp date of September 10, 1997. In fine condition, with wear and tape to box. From the collection of aerospace memorabilia specialist Ken Havekotte.