Mack SS50 Camelback Rear Suspension

4" width spring

1	Unavailable	Spindle OEM 85QK349 replaced by 85QK355
2	338-1845	Trunnion Assembly
3	334-545	Pressure Relief Fitting 5psi (2 per Trunnion)
4	322-113	Bushing 4" ID x 4 1/4" OD x 4 1/4" L (2 per Trunnion)
5	334-511	Thrust Washer 4 1/32" ID x 6 13/16" OD x 1/4" (2 per Trunnion)
6	334-512	Thrust Washer 4 1/32" ID x 6 1/4" OD x 5/16"
7	334-515	Seal 5" ID X 6 3/8" OD x 9/16"
8	Unavailable	Trunnion Seal Collar 4" ID x 5" OD OEM 8QD312
9	334-498	Trunnion Shaft Nut 3 7/8"-12 Thread x 6 3/32" OD x 1 3/16"
10	334-1401	Bolt Assembly SHCS 1/2"-20 Thread x 2 3/4"
11	Unavailable	Retainer Plate & Nut 5 15/16" OD x 1/2"; 4 x 5/8" Bolt Holes OEM 22QS257
12	Unavailable	Trunnion Cap 2 5/8" Deep OEM 97QL3101
13	334-582	Bolt 5/16"-24 Thread x 1" L & Lock Washer (6 per Trunnion Cap)
14	338-746	Insulator Box 6 3/4" Deep (2 per Spring)(Special Order)
15	325-110	Insulator, Standard, Black Rubber 1 3/4" Dowel (2 per Spring)
15	325-123	Insulator, Severe Service, Yellow Urethane 1 3/4" Dowel (2 per Spring)
16	338-729	Spacer 3" W x 4" L x 1 1/2" (4 per Spring)
17	325-113	Insulator, Rubber (Load Cushion) 1 3/4" Dowel 3" H (2 per Spring)
17	325-113U	Insulator, Urethane (Load Cushion) 1 3/4" Dowel 3" H (2 per Spring)
17	325-112	Insulator, Rubber (Load Cushion) 1 3/4" Dowel 1 3/4" H (2 per Spring)
17	325-112U	Insulator, Urethane (Load Cushion) 1 3/4" Dowel 1 3/4" H (2 per Spring)
18	327-308	Bolt 7/8"-14 Thread 5" L (6 per Spring)
18	327-309	Bolt 7/8"-14 Thread 6" L (6 per Spring)
18	327-316	Bolt 7/8"-14 Thread 6 1/2" L (6 per Spring)
19	SLN-106	Lock Nut 7/8"-14 Thread x 1 5/16" W x 3/4" H (6 per Spring)
20	334-150	Hard Flat Washer 7/8" ID (6 per Spring)
21	327-321	Cap Screw 7/8"-9 Thread 4" L (2 per Spring)
21	327-322	Cap Screw 7/8"-9 Thread 4 1/4" L (2 per Spring)
21	327-323	Cap Screw 7/8"-9 Thread 4 1/2" L (2 per Spring)
22	338-714	Top Plate for Semi-Round U-Bolts 9 3/4" L x 4" W (Replaces Jack Plate)
23	361-146	U-Bolt Kit 1 1/4"-12 Thread 13 7/8" L x 4" W
23	361-110	U-Bolt Kit 1 1/4"-12 Thread 14 7/8" L x 4" W
23	361-112	U-Bolt Kit 1 1/4"-12 Thread 15 7/8" L x 4" W
23	361-114	U-Bolt Kit 1 1/4"-12 Thread 16 7/8" L x 4" W
23	361-116	U-Bolt Kit 1 1/4"-12 Thread 17 7/8" L x 4" W
23	361-118	U-Bolt Kit 1 1/4"-12 Thread 18 7/8" L x 4" W
23	361-120	U-Bolt Kit 1 1/4"-12 Thread 19 7/8" L x 4" W
24	SUW-125K	Washer 1 1/4" ID x 2 1/4" OD x 1/4" (4 per Spring)
25	DN-125	Deep Nut 1 1/4"-12 Thread 1 11/16" H (4 per Spring)
25	DNM-200	Deep Nut 1 1/4"-12 Thread 2 45/64" H (4 per Spring)
26	345-808	Torque Rod, Uni-Rod Kit; Ball Stud x Ball Stud(1 1/4”-12 Thread); Mack 1 7/8" Taper Pin Both Ends

Springs

27	Mack Rear 4" Camelback Springs, 55" Axle Spacing

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