6640-00-366-7069 (32960)
NSN 6640-00-366-7069 (NIIN 00-366-7069) is a laboratory filtering crucible in Federal Supply Class 6640, Laboratory Equipment And Supplies — a vessel with a perforated base or disk, designed to contain substances that are heated or melted at high temperatures. Manufacturer part number 32960 (Corning Glass Works, CAGE 14674); also referenced as MILC3659 (Military Specifications).
Key specs: 30 milliliters nominal capacity; full characteristics table below. NIIN assigned February 1974; DEMIL A (none required). Supersedes 6640-00-314-2103 (2023).