FEATURES CONTROL KNOBS, MOLDED ABS SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE. MATERIALS Knob: Inlay: Threaded Insert: Setscrew: Notes: Dimensions in inches & (millimeters). 41012 SERIES MODEL 410121B1/8 410121B1/4 410122B1/8 410122B1/4 410123B1/8 410123B1/4 A .520 (13.2) .520 (13.2) .720 (18.3) .720 (18.3) .920 (23.4) .920 (23.4) 41013 SERIES MODEL 410131B1/8 410131B1/4 410132B1/4 410133B1/4 A .520 (13.2) .520 (13.2) .720 (18.3) .920 (23.4) 43021 SERIES Cosmetic black gloss finish. Anti-static plastic. Positive retention #6-32 set screws. Fits 1/8" dia. & 1/4" dia. shafts. Functionally rugged. Special designs available. Custom molded ABS, color black. Spun aluminum Brass. Heat treated high alloy steel with cup point and hex head, or slotted head. Note: 1 or 2 supplied, depending on model. Shaft size is last 3 digits of Model No. Straight knurl with line indicator on top (Top inlay & line or dot indicators available in color - consult factory.) B .640 (16.3) .640 (16.3) .740 (18.8) .740 (18.8) .860 (21.8) .860 (21.8) Straight knurl with no indicator marking (Indicator lines and dots available - consult factory.) B .480 (12.2) .480 (12.2) .580 (14.7) .640 (16.3) Straight knurl pointer with line indicator on pointer side U MODEL 430211B1/8 430211B1/4 430212B1/4 430213B1/4 A .504 (12.8) .504 (12.8) .712 (18.1) .906 (23.0) B .480 (12.2) .480 (12.2) .579 (14.7) .642 (16.3) C .610 (15.5) .610 (15.5) .750 (19.1) 1.050 (26.7) APEM, 63 Neck Road, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (978) 372-3534 E-mail: info@apem.com U1 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Apem: 41004-4B1/4 43021-2B1/4 430213B1/4 MPK50B1/4 MPK50B1/8 MPKG50B1/8 MPKG40B1/8 430211B1/4 PKX60B1/4 410131B1/4 410132B1/4 430211B18 MPK70B1/4 MPKA50B1/4 MPKA70B1/4 MPKA90B1/4 MPKES120B1/4 MPKES60B1/4 MPKES60B1/8 MPKES70B1/4 MPKES90B1/4 MPKG50B1/4 MPKG60B1/4 PKD100B101/4 410011B14 410011B18 410031B18 410032B14 410041B18 410121B18 410122B14 410123B14 410131B18 410133B14 MPK90B14 MPKA50B18 MPKES140B14 MPKG100B14 MPKG70B14 MPKG90B14 PKJ50B14 PKJ50B18 PKJ60B14 PKJ70B14 PKJT50B18 PKJT60B14 PKJT70B14 410041B14