| PartNumber | PKA55B1/4 | PKA50B1/8 | PKA50B1/4 |
| Description | Knobs & Dials .779" LINE IND/SKIRT STR RIB KNOB | Knobs & Dials .795" LINE IND/SKIRT STR RIB KNOB | Knobs & Dials .795" LINE IND/SKIRT STR RIB KNOB |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity Alcoswitch Switches |
| Product Category | Knobs & Dials | Knobs & Dials | Knobs |
| RoHS | Y | Y | - |
| Product | Knobs | Knobs | - |
| Type | Cylindrical Knob with Skirt | Cylindrical Knob with Skirt | Ribbed |
| Shaft Diameter | 1/4 in | 1/8 in | - |
| Outside Diameter | 20 mm | 21 mm | - |
| Height | 18 mm | 15 mm | 0.590" (14.99mm) |
| Material | Phenolic with Aluminum Insert | Phenolic with Aluminum Insert | Plastic |
| Design | Ribbed | Ribbed | - |
| Color | Black, Silver | Black, Silver | Black |
| Indicator Style | Line on Skirt | Line on Skirt | - |
| Series | PKA | PKA | PKA |
| Features | Top spun aluminum inlay, with skirt | Top spun aluminum inlay, with skirt | - |
| Brand | TE Connectivity / Alcoswitch | TE Connectivity / Alcoswitch | - |
| Indicator Color | White | White | - |
| Product Type | Knobs & Dials | Knobs & Dials | - |
| Factory Pack Quantity | 25 | 25 | - |
| Subcategory | Knobs & Dials | Knobs & Dials | - |
| Part # Aliases | 1-1437624-3 | 1-1437624-1 | - |
| Unit Weight | - | 0.160003 oz | - |
| Style | - | - | Cylindrical with Skirt |
| Diameter | - | - | 0.580" (14.70mm), 0.795" (20.20mm) Skirt |
| Shaft Size | - | - | 0.250" (6.35mm) |
| Indicator | - | - | Line on Skirt |