18 19
3
3M™ Series 12S Spray Gun Parts Identifi cation
Item Description Replacement PN
1 Retaining Ring 91-043
2
Air Cap (Composite) 91-009-XXX
2* Air Cap (Aluminum) 91-071-XXX
3 Fluid Nozzle 91-143-XXDT**
4 Closure Ring
5 O-Ring
6 Fluid Passage 91-064
7 O-Ring
8 O-Ring UH-1405/10 (Pack of 10)
9 Needle Guide 91-202/2 (Pack of 2)
10 Compression Spring 91-199/3 (Pack of 3)
11 Packing Nut 91-201
12 Right-Half Spray Gun Handle
13 3/8” Screw
14 1/4” Screw
15 Spray Gun Hook
16 3/8” Screw
17 Valve Seal
18 O-Ring
19 O-ring
20 Threaded Insert
21 Valve Stem
22 Delrin® Needle Tip 91-107-XXX
23 Stainless Steel Needle Shaft 91-078
24 Threaded Sleeve 91-041
25 Spring LG-27/5
26 Needle Adjustment Screw 91-068
27 Pressure Relief Stem LFG-465
28 Pressure Relief Stem Cap 91-109/10 (Pack of 10)
29 Valve Cap
30 Valve Cap Washer
31 Piston Return Spring
32 Valve Seal
33 O-Ring
34 Valve Body
35 Valve Body Seal
36 Valve Rod
37 Valve Rod Cap
38 Air Inlet Tube
39 Barbed Fitting
40 Air Inlet
41 O-Ring
42 Fitting
43 Trigger HP-405
44 Trigger Pivot Post 91-014
45 3/8” Screw
46 1/2” (Short) Screw
47 5/8” (Long) Screw
48 Left-Half Spray Gun Handle
49 Viton Seal 2’ UH-753/2
50 Gun Body Replacement 91-152-B
51 Spray Gun Maintenance Kit 91-119
52 O-Ring Replacement Kit 91-049
53 Fluid Passage Assembly 91-064
54 Self Adjusting Packing Kit 91-200
55 50 PSI Air Valve Assembly 91-168
56 Fan Adjustment Assembly 91-072
* Denotes differences in Air Cap Material
** This part is ordered as part of a set with item # 22
3M™ Series 12S Spray Gun Parts Identifi cation
ITEM NO. 46
½” (SHORT) SCREWS INSTALLED
5 PLACES AS INDICATED