Parts Page
PARTS LIST FOR PN 28403, 12000 RPM, 4” GRINDER, TYPE-27
 Fig  3M PN Description Qty 
1 55082 Retainer-Grinding Wheel 1
2 55085 Wheel Flange 1
3 55088 Retaining Ring 1
4 55101 Output Spindle 3/8-24 Thread 1
5 55078 Ball Bearing 1
6 55113 Gear Set 1
7 55114 Ball Bearing  
.500" x .25" x .125" (2)
2
8 55076 Socket Head Hex Screw, 1/4-20 1
9 55083 Hex Nut, 1/4-20 1
10 55109 4” Type 27 Guard  1
11 55111 Angle Head 1
12 06523  Grease Fitting 1
13 06503  Jam Nut 1
14 28402 Side Handle 3/8-16 EXT Thread, 
3M PN28402
1
15 06653 Angle Head Clamp Nut 1
16 06655 Lock Ring 1
17 06520  Pin, 1/8" x 1/4" 1
18 06609 O-Ring 1
19 06510  Ball Bearing  
3/8" x 7/8" x 9/32"
1
20 06639 Front End Plate 1
21 06562 Rotor 1
22 06643 Vane, Set of 5 1
23 06563 Cylinder 1
24 06560 Rear End Plate 1
25 06527  Wave Washer  
.440" x .618" x .008"
1
26 06508  Ball Bearing 1
 Fig 3M PN Description Qty 
27 06567 Washer .251" x .468" x .063" 1
28 06568 Screw #8-32 X 3/8 But Hd Cap 1
29 06638 Housing 1
30 06642 Lever 1
31 06558 Torr Pin, 3/16" x 7/8" 1
32 06543 O-Ring 1
33 06511  O-Ring 1
34 06556 Regulator 1
35 06501 Screw, 6-32 x 3/4 Set Soc Hex 1
36 06559 Groove Pin, 1/8" x 7/8" Type E 1
37 06598 Housing Cover 1
38 06566 Warning Label 1
39 06552 Throttle Valve Seat 1
40 06557 Mufer 1
41 06553 Throttle Valve 1
42 06554 Taper Spring 1
43 55084 Exaust Deector 1
44 06555 Screen 1
45 06608 O-Ring, 1/16" x 5/8" x 3/4" 1
46 55107 Bushing, 3/8” NPT 1
47 55081 Spanner Wrench 1
48 06524  5/8" Wrench 1
49 55106 4.5" Guard (at back) OPT
50 55100 Flange (2) OPT