5120-00-006-4544 (D9862L)
NSN 5120-00-006-4544 (NIIN 00-006-4544) is a tube fitting marking gage in Federal Supply Class 5120, Hand Tools, Nonedged, Nonpowered. Manufacturer part number D9862L (Designed Metal Connections Inc, CAGE 14798); also referenced as DLT5302-013-01 (Designed Metal Connections Inc).
NIIN assigned June 1972; DEMIL A (none required).