An all-caps stencil alphabet shown in Letter Forms: 150 Complete Alphabets (Peter Owen, 1964; later reissued in abridged form as Letter Forms: 110 Complete Alphabets, Peter Owen, 1969, and Dover Publications, 1972), compiled by Fred Lambert. Sans Stencil is credited to Lambert himself. It’s very similar to Filmotype Quiet and probably a revision of that face. It’s unclear if Sans Stencil was ever produced as a font.
G.I. Jerk (Nerfect, 2001) is a digital interpretation.