4940-00-865-4738 (JM-1)
NSN 4940-00-865-4738 (NIIN 00-865-4738) is a trail pressure jet steam cleaner in Federal Supply Class 4940, Miscellaneous Maintenance And Repair Shop Specialized Equipment — a unit designed to remove surface deposits of foreign materials by means of a forced stream of steam and detergent or water. Manufacturer part number JM-1 (Jenny Products, Inc, CAGE 29215); also referenced as MILC22894 (Military Specifications).
Key specs: electric motor power source; 125 psi cleaning solution jet pressure; full characteristics table below. NIIN assigned January 1962; DEMIL A (none required).