NATIONAL
7-P-50
Item Part No. Description Qty per Pump
1 MK-1294150 Discharge Module, Studded (Included Items 2 – 7) (3)
2 MK-1294151 Discharge Module, Only 3
3 MK-6300160 Nut – Wedge Adjusting 24
4 MK-2408042 Stud w/Nut – Frame 24
5 MK-2408043 Stud w/Nut – Liner Bushing 18
7 MK-2408041 Stud w/Nut – Discharge to Suction 18
9 MK-1294156 Suction Module 3
10 MK-1294165 Bushing – Liner 3
11 MK-1294174 Seal Retainer 6
12 MK-1294172 Valve Cover 6
13 MK-1290178 Screw – Wedge Adjusting 6
15 MK-1290315 Washer – Wedge Adjusting 6
16 MK-1290181 Spring – Wedge Assembly 6
17 MK-1290376 Wedge Assembly 6
18 MK-1540126 Gasket – Valve Cover 6
19 MK-1292140 Holder – Valve Guide 6
20 MK-1292141 Insert – Valve Guide 6
21 MK-6511416 Pin, Vs” × 2″ Dowell 6
22 MK-1294160 1Plate – Wear 3
23 MK-1294170 Connector – Discharge 2
24 MK-7000305-10 Screw, ½” × 1½” Hex Head 16
25 MK-7602050 Washer, Spring Lock 16
26 MK-1294171 Adapter – Discharge Connector 2
27 MK-2410031-348 Packing, Rectangular 2
28 MK-2410031-427 Packing, Rectangular 4
29 MK-1294166 Clamp – Liner 3
34 MK-2402560 Stud, 1¼” × 6¼” 16
35 MK-6300200 Nut 1¼” Hvy. Hex 16
41 MK-1 540142 Seal – Suction Manifold 3
42 MK-1294168 Collar – Liner 3
43 MK-1294192 Seal – Module, Wear Plate 6
NATIONAL
8–P–80
Item Part No. Description Qty per Pump
1 MK-1291280 Discharge Module, Studded (Included Items 2 – 10) (3)
2 MK-1291281 Discharge Module, Only 3
3 MK-6300180 Nut – Frame 24
4 MK-2408026 Stud – Frame 24
5 MK-6300120 Nut – Liner Bushing 18
6 MK-2408025 Stud – Liner Bushing 18
7 MK-6300241 Nut – Suction to Discharge Module 18
8 MK-2408034 Stud – Suction to Discharge Module 18
9 MK-6300220 Nut – Threaded Ring 72
10 MK-2408019 Stud – Threaded Ring 72
11 MK-1290338 Suction Module, Studded (Included Items 9, 10, 14) (3)
14 MK-1290339 Suction Module, Only 3
15 MK-1291165 Bushing – Liner 3
16 MK-1290174 Seal Retainer 6
17 MK-1290307 Valve Cover 6
18 MK-1290178 Screw – Wedge Adjusting 6
19 MK-6300160 Nut – Wedge Adjusting 6
20 MK-1290315 Washer – Wedge Adjusting 6
21 MK-1290308 Threaded Ring 6
22 MK-1290376 Wedge Assembly 6
23 MK-1540126 Gasket – Valve Cover 6
24 MK-1292140 Holder – Valve Guide 6
25 MK-1292141 Insert – Valve Guide 6
26 MK-6511416 Pin, Ye” × 2″ Dowell 6
27 MK-1290357 1Plate – Wear 3
28 MK-1290342 Connector – Discharge 2
29 MK-7000305-11 Screw, ½” × 1½” Hex Head 16
30 MK-7619050 Washer, ½” Lock 16
31 MK-1290343 Adapter – Discharge Connector 2
32 MK-2410031-348 Packing, Rectangular 2
33 MK-2410031-427 Packing, Rectangular 4
34 MK-1291166 Clamp – Liner 3
35 MK-2402560 Stud – Discharge Spacer 16
36 MK-6300200 Nut – Discharge Spacer 16
41 MK-1590051 Seal – Suction Manifold 3
42 MK-1291286 Spacer – Discharge, Studded 2
43 MK-1290344 Seal – Module, Wear Plate 6
NATIONAL
MUD KING
NATIONAL
9–P–100
Item Part No. Description Qty per Pump
1 MK-1293240 Discharge Module, Studded (Included Items 2 – 10) (3)
2 MK-1293241 Discharge Module, Only 3
3 MK-6300200 Nut – Frame 24
4 MK-2408030 Stud – Frame 24
5 MK-6300160 Nut – Liner Bushing 18
6 MK-2408018 Stud – Liner Bushing 18
7 MK-6300241 Nut – Suction to Discharge Module 18
8 MK-2408034 Stud – Suction to Discharge Module 18
9 MK-6300220 Nut – Threaded Ring 72
10 MK-2408019 Stud – Threaded Ring 72
11 MK-1290338 Suction Module, Studded (Included Items 9, 10, 14) (3)
14 MK-1290339 Suction Module, Only 3
15 MK-1293165 Bushing – Liner 3
16 MK-1290174 Seal Retainer 6
17 MK-1290307 Valve Cover 6
18 MK-1290178 Screw – Wedge Adjusting 6
19 MK-6300160 Nut – Wedge Adjusting 6
20 MK-1290315 Washer – Wedge Adjusting 6
21 MK-1290308 Threaded Ring 6
22 MK-1290376 Wedge Assembly 6
23 MK-1540126 Gasket – Valve Cover 6
24 MK-1292140 Holder – Valve Guide 6
25 MK-1292141 Insert – Valve Guide 6
26 MK-6511416 Pin, %” × 2″ Dowell 6
27 MK-1290357 1 Plate – Wear 3
28 MK-1290342 Connector – Discharge 2
29 MK-7000305-11 Screw, ½” × 1½” Hex Head 6
30 MK-7619050 Washer, ½” Lock 6
31 MK-1290343 Adapter – Discharge Connector 2
32 MK-2410031-348 Packing, Rectangular 2
33 MK-2410031-427 Packing, Rectangular 4
34 MK-1293166 Clamp – Liner 3
35 MK-2402560 Stud – Discharge Spacer 16
36 MK-6300200 Nut – Discharge Spacer 16
41 MK-1590051 Seal – Suction Manifold 3
42 MK-1293243 Spacer – Discharge, Studded (Included Items 35-36) 2
43 MK-1290344 Seal – Module, Wear Plate 6
NATIONAL
10–P–130
FLUID END MODULE AND ACCESSORIES
Item Part No. Description Qty per Pump
1 MK-1290335 Discharge Module, Studded (Included Items 2 – 10) (3)
2 MK-1290336 Discharge Module, Only 3
3 MK-6300240 Nut – Frame 24
4 MK-2408020 Stud – Frame 24
5 MK-6300160 Nut – Liner Bushing 18
6 MK-2408018 Stud – Liner Bushing 18
7 MK-6300241 Nut – Suction to Discharge Module 18
8 MK-2408034 Stud – Suction to Discharge Module 18
9 MK-6300220 Nut – Threaded Ring 36
10 MK-2408019 Stud – Threaded Ring 36
11 MK-1290338 Suction Module, Studded (Included Items 9, 10, 12) (3)
12 MK-1290339 Suction Module, Only 3
15 MK-1290165 Bushing – Liner 3
16 MK-1290174 Seal Retainer 6
17 MK-1290307 Valve Cover 6
18 MK-1290178 Screw – Wedge Adjusting 6
19 MK-6300160 Nut – Wedge Adjusting 6
20 MK-1290315 Washer – Wedge Adjusting 6
21 MK-1290308 Threaded Ring 6
22 MK-1290376 Wedge Assembly 6
23 MK-1540126 Gasket – Valve Cover 6
24 MK-1292140 Holder – Valve Guide 6
25 MK-1292141 Insert – Valve Guide 6
26 MK-6511416 Pin, Ye” × 2″ DoweIl 6
27 MK-1290357 1 Plate – Wear 3
28 MK-1290342 Connector – Discharge 2
29 MK-7000305-11 Screw, ½” × 1½” Hex Head 16
30 MK-7619050 Washer, ½” Lock 16
31 MK-1290343 Adapter – Discharge Connector 2
32 MK-2410031-348 Packing, Rectangular 2
33 MK-2410031-427 Packing, Rectangular 4
34 MK-1290166 Clamp – Liner 3
41 MK-1590051 Seal – Suction Manifold 3
42 MK-1290348 Spacer – Discharge, Studded (Included Items 43-44) 2
43 MK-2402560 Stud – Discharge Spacer 16
44 MK-6300200 Nut – Discharge Spacer 16
45 MK-1290344 Seal – Module, Wear Plate 6
NATIONAL
12–P–160
FLUID END MODULE AND ACCESSORIES
Item Part No. Description Qty per Pump
1 MK-1292240 Discharge Module, Studded (Included Items 2 – 10) (3)
2 MK-1292241 Discharge Module, Only 3
3 MK-6300220 Nut – Frame 30
4 MK-2408029 Stud – Frame 30
5 MK-6300180 Nut – Liner Bushing 18
6 MK-2408028 Stud – Liner Bushing 18
7 MK-6300281 Nut – Suction to Discharge Module 18
8 MK-2408033 Stud – Suction to Discharge Module 18
9 MK-6300240 Nut – Threaded Ring 72
10 MK-2408027 Stud – Threaded Ring 72
11 MK-1292243 Suction Module, Studded (Included Items 9, 10, 12) (3)
12 MK-1292244 Suction Module, Only 3
15 MK-1292165 Bushing – Liner 3
16 MK-1292174 Seal Retainer 6
17 MK-1292172 Valve Cover 6
18 MK-1292178 Screw – Wedge Adjusting 6
19 MK-6300182 Nut – Wedge Adjusting 6
20 MK-1292171 Washer – Wedge Adjusting 6
21 MK-1292176 Thread Ring 6
22 MK-1292268 Wedge Assembly 6
23 MK-1540127 Gasket – Valve Cover 6
24 MK-1292140 Holder – Valve Guide 6
25 MK-1292141 Insert – Valve Guide 6
26 MK-6511416 Pin, Dowell 6
27 MK-1292266 1 Plate – Wear 3
28 MK-1292252 Connector – Discharge 2
29 MK-7000307-11 Screw, Hex Head 16
30 MK-7619050 Washer, Lock 16
31 MK-1292253 Adapter – Discharge Connector 2
32 MK-2410031-433 Packing, Rectangular 2
33 MK-2410031-437 Packing, Rectangular 4
34 MK-1292166 Clamp – Liner 3
41 MK-1540851 Seal – Suction Manifold 3
42 MK-1292262 Spacer – Discharge, Studded (Included Items 43-44) 2
43 MK-2408015 Stud – Discharge Spacer 16
45 MK-1292257 Seal – Module, Wear Plate 6