MS15541A (NOTICE 1), MILITARY SPECIFICATION SHEET: LAMP, INCANDESCENT, A-21, MEDIUM SCREW (29 AUG 1988) [SUPERSEDED BY W-L-101]
MS15541A (NOTICE 1), MILITARY SPECIFICATION SHEET: LAMP, INCANDESCENT, A-21, MEDIUM SCREW (29 AUG 1988) [SUPERSEDED BY W-L-101].