Owner's manual

Maintenance and Service 53
7.3 ORION-2C Valve Assembly Parts List
Ref
Number
PN Description Quantity
1 57482 Nut,Valve Needle Housing 9/16-18, Width Across Flats=.75,Thickness=.12 2
2 54401 Locknut 2
3 58079 Knob 2
4 57889 Insert knob 2
5 57256 Spur 40-tooth gear 2
6 59233 Spur 18-tooth gear 2
7 55896 Valve seat 4
8 59387 Stem valve seat 4
9 59045 Needle seat valve 4
10 54540 Valve needle housing 2
11 59551 Valve needle 2
12 57906 End bushing 1
13 59378 End cap 1
14 59495 Shaft 1
15 59241 Piston 1
16 55714 Dual valve body 1
17 57580 Knob 1
18 55533 Valve needle 2
19 55159 Valve needle housing 2
20 56784 Locknut,9/16-18UNF-3A, SST 1
21 59845 Expansion plug (1562 +.0000/-.0012 hole diameter) 14
23 59383 6-32NCx1/8 SST setscrew 4
24 58342 Cap hex socket head screw, #2-56UNC-3A Purchase per MIL Spec 16995-2 6
25 59322 6-32NCx1/4 SST setscrew 6
26 59326 2-56NCx1/8, alloy steel setscrew 4
27 55554 O-ring,AS568A Dash No 010, Buna N (Nitrile) 70 Durometer Color Black 5
28 55536 O-ring,AS568A Dash No 002, Buna N (Nitrile) 70 Durometer Color Black 4
29 55573 O-ring,AS568A Dash No 117, Buna N (Nitrile) 70 Durometer Color Black 1
30 60633 Retainer, Packing Backup , Single Turn Tetrafluoroethylene 4
31 55570 Washer, Backing .04 Thick, Tetrafluoroethylene Resin 4
32 55577 O-ring,AS568A Dash No 111, Buna N (Nitrile) 70 Durometer Color Black 1
33 59245 Washer,#8 Screw Size .187, ID x .440 OD x .040 Thick Nylon 2
34 60202 Hex setscrew 2
35 60837 MACH pan head screw (#10- 32NFx1/2 Phillips Head 300 Series SST) 2
36 58976 Self sealing screw (8-32 x 5/8 Modified to Print) 1
38 53308 Label Roll,1.25x1.25, Polytrans 3000 Void 3" Core 8" OD 1
41 59878
.005 thick Mylar
spacer
2
42 59880 .007 thick Mylar spacer 2
Table 7-3. ORION 2-C Valve Assembly Parts List