Compac IA2A dial bore gage parts list Model IA2A (.8 to 2.0") and model IA2 (20 to 50 mm) measuring heads. 
These are the same parts used by Interapid, Alina and SPI 20-017-0 and 20-016-2 dial bore gages made in Switzerland. How to order parts: take note of the part numbers and quantities you need, then proceed to the parts price list to place your order online. Indicator parts are listed separately. All parts are made in Switzerland unless otherwise noted. Information on complete Compac, Interapid, SPI and Alina bore gage sets can be found at page 39. |
Dwg | Part no. | SPI no. |  |  |
 |  |  |  |  |
 | IA2A | 20-017-0 | .8-2.0" measuring head with box and all plugs |  |
 | IA2 |  | 20-50 mm measuring head with box and plugs |  |
 | IAP555A | 20-042-8 | .0001" dial indicator for bore gage |  |
0 | 042388 | 04-868-6 | wooden box for .8-2.0 | Price |
1 | 044100 | 04-774-6 | measuring head assembled | Price |
4 | 041868 | 04-777-9 | vertical rack | Price |
5 | 042139 | 04-778-7 | flat contact | Price |
6 | 042035 | 04-744-9 | guide ø1,95 | Price |
7 | 041869 | 04-779-5 | centering washer | Price |
8 | 041870 | 04-780-3 | spring | Price |
9 | 044102 | 04-781-1 | bushing | Price |
10 | 044103 | 04-782-9 | bushing | Price |
11 | 041977 | 04-783-7 | screw for cover | Price |
12 | 042034 | 04-784-5 | brass bushing | Price |
13 | 042041 | 04-785-2 | pinion | Price |
14 | 044104 | 04-786-0 | horizontal rack | Price |
16 | 042011 | 04-787-8 | conical pin | Price |
17 | 042059 | 04-788-6 | blue plate | Price |
18 | 041872 | 04-789-4 | threaded bushing | Price |
19 | 044105 | metric | contact #1 (1,5 mm) for metric models | Price |
19 | 044106 | metric | contact #2 (2,5 mm) for metric models | Price |
19 | 044107 | metric | contact #3 (3,5 mm) for metric models | Price |
19 | 044108 | metric | contact #4 (4,5 mm) for metric models | Price |
19 | 044109 | metric | contact #5 (5,5 mm) for metric models | Price |
19 | 044110 | metric | contact #6 (6,5 mm) for metric models | Price |
19 | 044111 | 04-790-2 | contact #1 (.80") | Price |
19 | 044112 | 04-791-0 | contact #2 (.84") | Price |
19 | 044113 | 04-792-8 | contact #3 (.88") | Price |
19 | 044114 | 04-793-6 | contact #4 (.92") | Price |
19 | 044115 | 04-794-4 | contact #5 (.96") | Price |
19 | 044116 | 04-795-1 | contact #6 (1.00") | Price |
22 | 041876 | 04-796-9 | extension A (.20") | Price |
22 | 041877 | 04-797-7 | extension B (.40") | Price |
22 | 041878 | 04-798-5 | extension C (.80") | Price |
22 | 041873 | metric | extension A (5 mm) for metric models | Price |
22 | 041874 | metric | extension B (10 mm) for metric models | Price |
22 | 041875 | metric | extension C (20 mm) for metric models | Price |
24 | 041879 | 04-800-9 | nut | Price |
26 | 041880 | 04-801-7 | spring | Price |
27 | 041881A |  | adjusting wrench for screw 041881 (0.9 mm) | Price |
27 | 041881 | 04-802-5 | screw | Price |
28 | 044117 | 04-803-3 | centering sled (steel) | Price |
28 | 044118 |  | centering sled (carbide) | Price |
29 | IA2-29 | 04-804-1 | depth stop attachment, short | Price |
30 | IA2-30 | 04-805-8 | depth stop attachment, long | Price |
31 | IA2-31 | 04-806-6 | knurled button for depth stop | Price |
32 | 044120 | 04-807-4 | contact holder (inch and metric) | Price |
32 | 044121 |  | contact holder with inch contacts and 3 extensions | Price |
32 | 044119 |  | contact holder with metric contacts and 3 extensions | Price |
34 | 041889 | 04-808-2 | measurement chart (inch) | Price |
35 | 042066 | 04-809-0 | wrench for contacts (made in Germany) | Price |
 | RI-100 | 20-043-6 | 4" depth extension | Price |