National Mud Pump Fluid End Parts

NATIONAL 7-P-50

1 BL-1294150 Discharge Module, Studded (Included Items 2 – 7) (3)
2 BL-1294151 Discharge Module, Only 3
3 BL-6300160 Nut – Wedge Adjusting 24
4 BL-2408042 Stud w/Nut – Frame 24
5 BL-2408043 Stud w/Nut – Liner Bushing 18
7 BL-2408041 Stud w/Nut – Discharge to Suction 18
9 BL-1294156 Suction Module 3
10 BL-1294165 Bushing – Liner 3
11 BL-1294174 Seal Retainer 6
12 BL-1294172 Valve Cover 6
13 BL-1290178 Screw – Wedge Adjusting 6
15 BL-1290315 Washer – Wedge Adjusting 6
16 BL-1290181 Spring – Wedge Assembly 6
17 BL-1290376 Wedge Assembly 6
18 BL-1540126 Gasket – Valve Cover 6
19 BL-1292140 Holder – Valve Guide 6
20 BL-1292141 Insert – Valve Guide 6
21 BL-6511416 Pin, ⅞” × 2″ Dowell 6
22 BL-1294160 1Plate – Wear 3
23 BL-1294170 Connector – Discharge 2
24 BL-7000305-10 Screw, ½” × 1½” Hex Head 16
25 BL-7602050 Washer, Spring Lock 16
26 BL-1294171 Adapter – Discharge Connector 2
27 BL-2410031-348 Packing, Rectangular 2
28 BL-2410031-427 Packing, Rectangular 4
29 BL-1294166 Clamp – Liner 3
34 BL-2402560 Stud, 1¼” × 6¼” 16
35 BL-6300200 Nut 1¼” Hvy. Hex 16
41 BL-1 540142 Seal – Suction Manifold 3
42 BL-1294168 Collar – Liner 3
43 BL-1294192 Seal – Module, Wear Plate 6

NATIONAL 8-P-80

1 BL-1291280 Discharge Module, Studded (Included Items 2 – 10) (3)
2 BL-1291281 Discharge Module, Only 3
3 BL-6300180 Nut – Frame 24
4 BL-2408026 Stud – Frame 24
5 BL-6300120 Nut – Liner Bushing 18
6 BL-2408025 Stud – Liner Bushing 18
7 BL-6300241 Nut – Suction to Discharge Module 18
8 BL-2408034 Stud – Suction to Discharge Module 18
9 BL-6300220 Nut – Threaded Ring 72
10 BL-2408019 Stud – Threaded Ring 72
11 BL-1290338 Suction Module, Studded (Included Items 9, 10, 14) (3)
14 BL-1290339 Suction Module, Only 3
15 BL-1291165 Bushing – Liner 3
16 BL-1290174 Seal Retainer 6
17 BL-1290307 Valve Cover 6
18 BL-1290178 Screw – Wedge Adjusting 6
19 BL-6300160 Nut – Wedge Adjusting 6
20 BL-1290315 Washer – Wedge Adjusting 6
21 BL-1290308 Threaded Ring 6
22 BL-1290376 Wedge Assembly 6
23 BL-1540126 Gasket – Valve Cover 6
24 BL-1292140 Holder – Valve Guide 6
25 BL-1292141 Insert – Valve Guide 6
26 BL-6511416 Pin, ⅞” × 2″ Dowell 6
27 BL-1290357 1Plate – Wear 3
28 BL-1290342 Connector – Discharge 2
29 BL-7000305-11 Screw, ½” × 1½” Hex Head 16
30 BL-7619050 Washer, ½” Lock 16
31 BL-1290343 Adapter – Discharge Connector 2
32 BL-2410031-348 Packing, Rectangular 2
33 BL-2410031-427 Packing, Rectangular 4
34 BL-1291166 Clamp – Liner 3
35 BL-2402560 Stud – Discharge Spacer 16
36 BL-6300200 Nut – Discharge Spacer 16
41 BL-1590051 Seal – Suction Manifold 3
42 BL-1291286 Spacer – Discharge, Studded 2
43 BL-1290344 Seal – Module, Wear Plate 6

NATIONAL 9-P-100

1 BL-1293240 Discharge Module, Studded (Included Items 2 – 10) (3)
2 BL-1293241 Discharge Module, Only 3
3 BL-6300200 Nut – Frame 24
4 BL-2408030 Stud – Frame 24
5 BL-6300160 Nut – Liner Bushing 18
6 BL-2408018 Stud – Liner Bushing 18
7 BL-6300241 Nut – Suction to Discharge Module 18
8 BL-2408034 Stud –  Suction to Discharge Module 18
9 BL-6300220 Nut – Threaded Ring 72
10 BL-2408019 Stud – Threaded Ring 72
11 BL-1290338 Suction Module, Studded (Included Items 9, 10, 14) (3)
14 BL-1290339 Suction Module, Only 3
15 BL-1293165 Bushing – Liner 3
16 BL-1290174 Seal Retainer 6
17 BL-1290307 Valve Cover 6
18 BL-1290178 Screw – Wedge Adjusting 6
19 BL-6300160 Nut – Wedge Adjusting 6
20 BL-1290315 Washer – Wedge Adjusting 6
21 BL-1290308 Threaded Ring 6
22 BL-1290376 Wedge Assembly 6
23 BL-1540126 Gasket – Valve Cover 6
24 BL-1292140 Holder – Valve Guide 6
25 BL-1292141 Insert – Valve Guide 6
26 BL-6511416 Pin, ⅞” × 2″ Dowell 6
27 BL-1290357 1Plate – Wear 3
28 BL-1290342 Connector – Discharge 2
29 BL-7000305-11 Screw, ½” × 1½” Hex Head 6
30 BL-7619050 Washer, ½” Lock 6
31 BL-1290343 Adapter – Discharge Connector 2
32 BL-2410031-348 Packing, Rectangular 2
33 BL-2410031-427 Packing, Rectangular 4
34 BL-1293166 Clamp – Liner 3
35 BL-2402560 Stud – Discharge Spacer 16
36 BL-6300200 Nut – Discharge Spacer 16
41 BL-1590051 Seal – Suction Manifold 3
42 BL-1293243 Spacer – Discharge, Studded (Included Items 35-36) 2
43 BL-1290344 Seal – Module, Wear Plate 6

NATIONAL 10-P-130

1 BL-1290335 Discharge Module, Studded (Included Items 2 – 10) (3)
2 BL-1290336 Discharge Module, Only 3
3 BL-6300240 Nut – Frame 24
4 BL-2408020 Stud – Frame 24
5 BL-6300160 Nut – Liner Bushing 18
6 BL-2408018 Stud – Liner Bushing 18
7 BL-6300241 Nut – Suction to Discharge Module 18
8 BL-2408034 Stud – Suction to Discharge Module 18
9 BL-6300220 Nut – Threaded Ring 36
10 BL-2408019 Stud – Threaded Ring 36
11 BL-1290338 Suction Module, Studded (Included Items 9, 10, 12) (3)
12 BL-1290339 Suction Module, Only 3
15 BL-1290165 Bushing – Liner 3
16 BL-1290174 Seal Retainer 6
17 BL-1290307 Valve Cover 6
18 BL-1290178 Screw – Wedge Adjusting 6
19 BL-6300160 Nut – Wedge Adjusting 6
20 BL-1290315 Washer – Wedge Adjusting 6
21 BL-1290308 Threaded Ring 6
22 BL-1290376 Wedge Assembly 6
23 BL-1540126 Gasket – Valve Cover 6
24 BL-1292140 Holder – Valve Guide 6
25 BL-1292141 Insert – Valve Guide 6
26 BL-6511416 Pin, ⅞” × 2″ DoweIl 6
27 BL-1290357 1Plate – Wear 3
28 BL-1290342 Connector – Discharge 2
29 BL-7000305-11 Screw, ½” × 1½” Hex Head 16
30 BL-7619050 Washer, ½” Lock 16
31 BL-1290343 Adapter – Discharge Connector 2
32 BL-2410031-348 Packing, Rectangular 2
33 BL-2410031-427 Packing, Rectangular 4
34 BL-1290166 Clamp – Liner 3
41 BL-1590051 Seal – Suction Manifold 3
42 BL-1290348 Spacer – Discharge, Studded (Included Items 43-44) 2
43 BL-2402560 Stud – Discharge Spacer 16
44 BL-6300200 Nut – Discharge Spacer 16
45 BL-1290344 Seal – Module, Wear Plate 6

NATIONAL 12-P-160

1 BL-1292240 Discharge Module, Studded (Included Items 2 – 10) (3)
2 BL-1292241 Discharge Module, Only 3
3 BL-6300220 Nut – Frame 30
4 BL-2408029 Stud – Frame 30
5 BL-6300180 Nut – Liner Bushing 18
6 BL-2408028 Stud – Liner Bushing 18
7 BL-6300281 Nut – Suction to Discharge Module 18
8 BL-2408033 Stud – Suction to Discharge Module 18
9 BL-6300240 Nut – Threaded Ring 72
10 BL-2408027 Stud – Threaded Ring 72
11 BL-1292243 Suction Module, Studded (Included Items 9, 10, 12) (3)
12 BL-1292244 Suction Module, Only 3
15 BL-1292165 Bushing – Liner 3
16 BL-1292174 Seal Retainer 6
17 BL-1292172 Valve Cover 6
18 BL-1292178 Screw – Wedge Adjusting 6
19 BL-6300182 Nut – Wedge Adjusting 6
20 BL-1292171 Washer – Wedge Adjusting 6
21 BL-1292176 Thread Ring 6
22 BL-1292268 Wedge Assembly 6
23 BL-1540127 Gasket – Valve Cover 6
24 BL-1292140 Holder – Valve Guide 6
25 BL-1292141 Insert – Valve Guide 6
26 BL-6511416 Pin, Dowell 6
27 BL-1292266 1Plate – Wear 3
28 BL-1292252 Connector – Discharge 2
29 BL-7000307-11 Screw, Hex Head 16
30 BL-7619050 Washer, Lock 16
31 BL-1292253 Adapter – Discharge Connector 2
32 BL-2410031-433 Packing, Rectangular 2
33 BL-2410031-437 Packing, Rectangular 4
34 BL-1292166 Clamp – Liner 3
41 BL-1540851 Seal – Suction Manifold 3
42 BL-1292262 Spacer – Discharge, Studded (Included Items 43-44) 2
43 BL-2408015 Stud – Discharge Spacer 16
45 BL-1292257 Seal – Module, Wear Plate 6

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