| 2138 | 0 | - | | Flat Cover Spring and Plate for Kompak Model |
| 2140 | 0 | - | | Knurled Cap Complete for Desk Model |
| 2142 | 0 | - | | Diaphragm Filter for Desk Model |
| 2145 | 0 | - | | Silicone Rubber Tube Washer for Desk Model |
| 2150 | 0 | - | | Complete Reservoir & Bracket Assembly for Desk Model |
| 2154 | 0 | - | | Bracket Screw for Desk Model |
| 2170 | 0 | - | | Scale Only for Kompak Model |
| 2200 | 0 | - | | Mylar Clad Cartridge Tube for Standby Model |
| 2230 | 0 | - | | Ball Handle for Standby Model Includes Ball Handle with Knob Screws |
| 2231 | 0 | - | | Ball Knob for Handle for Standby Model |
| 2240 | 0 | - | | Four Wheel Base with 2 1/2" Casters for Standby Model |
| 2242 | 0 | - | | Diaphragm Filter for Standby & Wall Unit 33 |
| 2243 | 0 | - | | Leather Cap Washer for Standby & Wall Unit 33 Models |
| 2245 | 0 | - | | Silicone Rubber Cartridge Tube Washer for Standby |
| 2250 | 0 | - | | Complete Reservoir for Standby Model |
| 2270NS | 0 | - | | Scale Only (New Style) for Standby Model |
| 2271NS | 0 | - | | Complete Scale (New Style) for Standby Model |
| 2272NS | 0 | - | | Screws (New Style to attach Scale to Reservoir on Standby Model |
| 2290 | 0 | - | | Standard Base Only for Standby Model |
| 2291 | 0 | - | | 3 Lb. Weight for Standby Model |
| 2292 | 0 | - | | Tie Rod Complete with Hex Nut, Washer and Wing Nut for Standby Model |
| 2295NS | 0 | - | | |
| 2296 | 0 | - | | 9" Spacer for Standby Model |
| 2300 | 0 | - | | Mylar Clad Cartridge Tube for Desk, Panel & Wall Unit 33 |
| 2320 | 0 | - | | |
| 2330 | 0 | - | | |
| 2334 | 0 | - | | Hinge Posts (Pair) with Screws for Desk Model |
| 2335 | 0 | - | | Lock Push Plate for Desk Model |
| 2337 | 0 | - | | Complete Lock for Desk Model |
| 2338 | 0 | - | | "Z" Spring for Desk Model |
| 2420 | 0 | - | | |
| 2421 | 0 | - | | |
| 2422 | 0 | - | | |
| 2430 | 0 | - | | Bulb Holder for Kompak,Desk & Panel Wall |
| 2833 | 0 | - | | Top Swivel Screw for Wall Unit 33 |
| 2834 | 0 | - | | Bottom and Swivel Washer for Wall Unit 33 |
| 2919 | 0 | - | | Latex Extendex Tubing 4 Ft |
| 2919NL | 0 | - | | Non Latex Extendex Tubing 4 Ft |
| 2920 | 0 | - | | |
| 2921 | 0 | - | | Tubing Connector Male Only |
| 2922 | 0 | - | | Tubing Connector Female Only |
| 2923 | 0 | - | | Tubing Connector for Extendex Male Only |
| 2924 | 0 | - | | Straight Connector Double Male |
| 2935 | 0 | - | | Extendex-to-Straight Tubing Connector |
| 2940 | 0 | - | | Test Kit - Y Connector With Latex Tubing |
| 2940NL | 0 | - | | Test Kit - Y Connector With Non Latex Tubiing |
| 2941 | 0 | - | | Test Kit - Y Connector With Latex Bulb and Valve |
| 2941NL | 0 | - | | Test Kit - Y Connector With Non-Latex Bulb and Valve |
| 2950 | 0 | - | | |
| 2950NL | 0 | - | | Non-Latex Tubing 50 Ft Reel |