6675-00-862-2584 (163660)
NSN 6675-00-862-2584 (NIIN 00-862-2584) is a screw housing in Federal Supply Class 6675, Drafting, Surveying, And Mapping Instruments. Manufacturer part number 163660 (Leica Geosystems Inc., CAGE 35643); also referenced as 177048, 551-2X4, D1N551-2X4 (Leica Geosystems Inc.).
NIIN assigned January 1962; DEMIL A (none required).