NATIONAL 7-P-50 MUD PUMP PARTS LIST - DrillingBase.comDrillingBase.com

NATIONAL 7-P-50

LINERS & LINER SEALS

VALVES, SEATS, SPRINGS & INSERTS
HIGH CHROME CERAMIC ZIRCONIA LINER SEAL
4” SO-0257-40-HC SO-0257-40-CZ SO-G-0272 VALVE ASSY – Urethane SO-U5B-05 SO-5-V1
41/” SO-0257-44-HC SO-0257-44-CZ SO-G-0274 VALVE ASSY – Urethane HT SO-U5B-05-HT SO-5-V1-HT
5” SO-0257-50-HC SO-0257-50-CZ SO-G-0276 VALVE ASSY – Rubber SO-5B-05 SO-5-V1R
51/” SO-0257-54-HC SO-0257-54-CZ SO-G-0278 SEAT SO-5DD-B3 SO-5-S3
6” SO-0257-60-HC SO-0257-60-CZ SO-G-0280 SPRING SO-5710-111 SO-5710-110
61/” SO-0257-62-HC SO-0257-62-CZ SO-G-0268 INSERT – Urethane SO-UDD-5B SO-5-I
INSERT – Urethane HT SO-UDD-5B-HT SO-5-I-HT
INSERT – Rubber SO-DD-5B SO-5-IR
SEAT PULLER ASSEMBLY * Does not include puller head
STEM GUIDE PULLER ASSEMBLY * SO-1700 SO-1700
FULL OPEN PULLER HEAD SO-1700-5 SO-D-5

PISTONS

PISTON RODS, EXTENSION RODS & ACCESSORIES

DIAMETER    PISTON ROD  EXTENSION ROD   ROD CLAMP   SUB ROD PISTON ROD NUT

PART NO. 15/8” SO-0257-A SO-16-0257 SO-24-0257 SO-0257-B SO-7403364

GASKETS

VALVE CAP (HT) SO-61-0253 – CYLINDER HEAD (HT)
NATIONAL 8-P-80

LINERS & LINER SEALS

VALVES, SEATS, SPRINGS & INSERTS
HIGH CHROME CERAMIC ZIRCONIA LINER SEAL
STYLE STEM GUIDE (CROSS ARM) FULL OPEN
VALVE ASSY – Urethane SO-U5B-EH SO-6-V1
VALVE ASSY – Urethane HT SO-U5B-EH-HT SO-6-V1-HT
VALVE ASSY – Rubber SO-5B-EH SO-6-V1R
SEAT SO-6ADD-B4 SO-6-S4
SPRING SO-5710-115 SO-5710-115L
INSERT – Urethane SO-UDD-6AB SO-6-I
INSERT – Urethane HT SO-UDD-6AB-HT SO-6-I-HT
INSERT – Rubber SO-DD-6AB SO-6-IR
SEAT PULLER ASSEMBLY * Does not include puller head
PULLER ASSEMBLY * SO-1700 SO-1700
PULLER HEAD SO-1700-6 SO-D-6

4′ SO-0256-40-HC SO-0256-40-CZ SO-G-0272
41/” SO-0256-44-HC SO-0256-44-CZ SO-G-0274
5′ SO-0256-50-HC SO-0256-50-CZ SO-G-0276
51/” SO-0256-54-HC SO-0256-54-CZ SO-G-0278
6′ SO-0256-60-HC SO-0256-60-CZ SO-G-0280
61/4” SO-0256-62-HC SO-0256-62-CZ SO-G-0268

CHROME PLATED   LINER SEAL              
SO-0256-64-CP   SO-G-0268

PISTONS

SIZE BORE HUB 0 SIZE REPLACEABLE RUBBER PISTON ASSY PISTON REPLACEMENT RUBBER KIT SINGLE DUROMETER URETHANE BONDED DUAL DUROMETER URETHANE BONDED URETHANE BONDED HIGH TEMP.
4′ 1W& 15/8” SO-40-HK-14 / 15 SO-40-HK SO-40-U SO-40-3 SO-40-3-HT
41/” 1W& 15/8” SO-44-HK-14 / 15 SO-44-HK SO-44-U SO-44-3 SO-44-3-HT
5′ 1W& 15/8” SO-50-HB-14 / 15 SO-50-HB SO-50-U SO-50-3 SO-50-3-HT
51/” 1W& 15/8” SO-54-HB-14 / 15 SO-54-HB SO-54-U SO-54-3 SO-54-3-HT
6′ 1W& 15/8” SO-60-HB-14 / 15 SO-60-HB SO-60-U SO-60-3 SO-60-3-HT
61/” 1W& 15/8” SO-62-HL-14 / 15 SO-62-HL SO-62-U SO-62-3 SO-62-3-HT
61/” 1W& 15/8” SO-64-HL-14 / 15 SO-64-HL SO-64-U SO-64-3 SO-64-3-HT

PISTON RODS, EXTENSION RODS & ACCESSORIES

DIAMETER    PISTON ROD  EXTENSION ROD   ROD CLAMP   SUB ROD PISTON ROD NUT

PART NO. 15/8” SO-0259-A SO-16-0259 SO-24-0259 SO-0259-B SO-7403364

GASKETS

VALVE CAP (HT) SO-61-0255 – CYLINDER HEAD (HT)

2 FLUID END PUMP PARTS

NATIONAL 9-P-100
LINERS & LINER SEALS

41/” SO-0255-44-HC SO-0255-44-CZ SO-G-0274
5” SO-0255-50-HC SO-0255-50-CZ SO-G-0265
51/” SO-0255-54-HC SO-0255-54-CZ SO-G-0263
6” SO-0255-60-HC SO-0255-60-CZ SO-G-0261
61/4” SO-0255-62-HC SO-0255-62-CZ SO-G-0283
61/” SO-0255-64-HC SO-0255-64-CZ SO-G-0283

63/4” CHROME PLATED LINER SEAL
SO-0255-66-CP SO-G-0287
PISTONS

PISTON RODS, EXTENSION RODS & ACCESSORIES

DIAMETER    PISTON ROD  EXTENSION ROD   ROD CLAMP   SUB ROD PISTON ROD NUT

PART NO. 15/8” SO-0260-A SO-16-0260 SO-24-0260 SO-0260-B SO-7403364

GASKETS

VALVE CAP (HT) SO-61-0255 – CYLINDER HEAD (HT)

FLUID END PUMP PARTS 3
NATIONAL 10-P-130
LINERS & LINER SEALS

63/4” CHROME PLATED LINER SEAL
SO-0255-66-CP SO-G-0287
PISTONS

PISTON RODS, EXTENSION RODS & ACCESSORIES

DIAMETER    PISTON ROD  EXTENSION ROD   ROD CLAMP   SUB ROD PISTON ROD NUT

PART NO. 15/8” SO-0256-A SO-16-0256 SO-24-0256 SO-0256-B SO-7403364

GASKETS

VALVE CAP (HT) SO-61-0255 – CYLINDER HEAD (HT)

NATIONAL 12-P-160

LINERS & LINER SEALS
VALVES, SEATS, SPRINGS & INSERTS

SIZE HIGH CHROME CERAMIC ZIRCONIA LINER SEAL
4” SO-0259-40-HC SO-0259-40-CZ SO-G-0265
4W SO-0259-44-HC SO-0259-44-CZ SO-G-0265
5” SO-0259-50-HC SO-0259-50-CZ SO-G-0265
5W SO-0259-54-HC SO-0259-54-CZ SO-G-0263
6” SO-0259-60-HC SO-0259-60-CZ SO-G-0261
6’/4” SO-0259-62-HC SO-0259-62-CZ SO-G-0283
6W SO-0259-64-HC SO-0259-64-CZ SO-G-0284
63/4” SO-0259-66-HC SO-0259-66-CZ SO-G-0287
7” SO-0259-70-HC SO-0259-70-CZ SO-G-0285
7V4” SO-0259-72-HC SO-0259-72-CZ SO-G-0286
7W SO-0259-74-HC SO-0259-74-CZ –

STYLE STEM GUIDE (CROSS ARM) FULL OPEN
VALVE ASSY – Urethane SO-U5C-EEF SO-7-V1
VALVE ASSY – Urethane HT SO-U5C-EEF-HT SO-7-V1-HT
VALVE ASSY – Rubber SO-5C-EEF SO-7-V1R
SEAT SO-7DD-B12 SO-7-S12
SPRING SO-5710-115 SO-5710-115L
INSERT – Urethane SO-UDD-7B SO-7-I
INSERT – Urethane HT SO-UDD-7B-HT SO-7-I-HT
INSERT – Rubber SO-DD-7B SO-7-IR
SEAT PULLER ASSEMBLY * Does not include puller head
PULLER ASSEMBLY * SO-1700 SO-1700
PULLER HEAD SO-1700-7 SO-D-7

PISTONS

SIZE BORE HUB 0 SIZE REPLACEABLE RUBBER PISTON ASSY PISTON REPLACEMENT RUBBER KIT SINGLE DUROMETER URETHANE BONDED DUAL DUROMETER URETHANE BONDED URETHANE BONDED HIGH TEMP.
4” 1W& 15/8” SO-40-HK-14 / 15 SO-40-HK SO-40-U SO-40-3 SO-40-3-HT
41/2” 1W& 15/8” SO-44-HK-14 / 15 SO-44-HK SO-44-U SO-44-3 SO-44-3-HT
5” 1W& 15/8” SO-50-HB-14 / 15 SO-50-HB SO-50-U SO-50-3 SO-50-3-HT
51/2” 1W& 15/8” SO-54-HB-14 / 15 SO-54-HB SO-54-U SO-54-3 SO-54-3-HT
6” 1W& 15/8” SO-60-HB-14 / 15 SO-60-HB SO-60-U SO-60-3 SO-60-3-HT
61/4” 1W& 15/8” SO-62-HL-14 / 15 SO-62-HL SO-62-U SO-62-3 SO-62-3-HT
61/2” 1W& 15/8” SO-64-HL-14 / 15 SO-64-HL SO-64-U SO-64-3 SO-64-3-HT
63/4” 1W& 15/8” SO-66-HL-14 / 15 SO-66-HL – – –
7” 1W& 15/8” SO-70-HL-14 / 15 SO-70-HL SO-70-U SO-70-3 SO-70-3-HT
71/4” 1W& 15/8” SO-72-HL-14 / 15 SO-72-HL SO-72-U SO-72-3 SO-72-3-HT
71/” 1W& 15/8” SO-74-HL-14 / 15 SO-74-HL SO-74-U SO-74-3 SO-74-3-HT

PISTON RODS, EXTENSION RODS & ACCESSORIES

DIAMETER    PISTON ROD  EXTENSION ROD   ROD CLAMP   SUB ROD PISTON ROD NUT

PART NO. 15/8” SO-0258-A SO-16-0258 SO-24-0258 SO-0258-B SO-7403364

GASKETS

VALVE CAP (HT) SO-G-0711 SO-G-0711-HT CYLINDER HEAD (HT) –

NATIONAL 14-P-220

LINERS & LINER SEALS
VALVES, SEATS, SPRINGS & INSERTS

SIZE HIGH CHROME CERAMIC ZIRCONIA LINER SEAL
4W SO-1250-44-HC SO-1250-44-CZ –
5” SO-1250-50-HC SO-1250-50-CZ SO-G-0264
5W SO-1250-54-HC SO-1250-54-CZ SO-G-0263
6” SO-1250-60-HC SO-1250-60-CZ SO-G-0261
6’/4” SO-1250-62-HC SO-1250-62-CZ SO-G-0283
6W SO-1250-64-HC SO-1250-64-CZ SO-G-0284
63/4” SO-1250-66-HC SO-1250-66-CZ SO-G-0287
7” SO-1250-70-HC SO-1250-70-CZ SO-G-0285
iy/’ SO-1250-72-HC SO-1250-72-CZ SO-G-0286
7W SO-1250-74-HC SO-1250-74-CZ –
8” SO-1250-80-HC SO-1250-80-CZ –

STYLE STEM GUIDE (CROSS ARM) FULL OPEN
VALVE ASSY – Urethane SO-U5B-23 SO-8-V2
VALVE ASSY – Urethane HT SO-U5B-23-HT SO-8-V2-HT
VALVE ASSY – Rubber SO-5B-23 SO-8-V2R
SEAT SO-8DD-B7 SO-8-S7
SPRING SO-5710-023 SO-5710-115L
INSERT – Urethane SO-UDD-8B SO-8-I
INSERT – Urethane HT SO-UDD-8B-HT SO-8-I-HT
INSERT – Rubber SO-DD-8B SO-8-IR
SEAT PULLER ASSEMBLY * Does not include puller head
PULLER ASSEMBLY * SO-1700 SO-1700
PULLER HEAD SO-1700-8 SO-D-8

PISTONS

SIZE BORE HUB 0 SIZE REPLACEABLE RUBBER PISTON ASSY PISTON REPLACEMENT RUBBER KIT SINGLE DUROMETER URETHANE BONDED DUAL DUROMETER URETHANE BONDED URETHANE BONDED HIGH TEMP.
41/2” 1W& 15/8” SO-44-HK-14 / 15 SO-44-HK SO-44-U SO-44-3 SO-44-3-HT
5” 1W& 15/8” SO-50-HB-14 / 15 SO-50-HB SO-50-U SO-50-3 SO-50-3-HT
51/2” 1W& 15/8” SO-54-HB-14 / 15 SO-54-HB SO-54-U SO-54-3 SO-54-3-HT
6” 1W& 15/8” SO-60-HB-14 / 15 SO-60-HB SO-60-U SO-60-3 SO-60-3-HT
61/4” 1W& 15/8” SO-62-HL-14 / 15 SO-62-HL SO-62-U SO-62-3 SO-62-3-HT
61/2” 1W& 15/8” SO-64-HL-14 / 15 SO-64-HL SO-64-U SO-64-3 SO-64-3-HT
63/4” 1W& 15/8” SO-66-HL-14 / 15 SO-66-HL – – –
7” 1W& 15/8” SO-70-HL-14 / 15 SO-70-HL SO-70-U SO-70-3 SO-70-3-HT
71/4” 1W& 15/8” SO-72-HL-14 / 15 SO-72-HL SO-72-U SO-72-3 SO-72-3-HT
71/” 1W& 15/8” SO-74-HL-14 / 15 SO-74-HL SO-74-U SO-74-3 SO-74-3-HT
8” 1W& 15/8” SO-80-HL-14 / 15 SO-80-HL SO-80-U SO-80-3 SO-80-3-HT

PISTON RODS, EXTENSION RODS & ACCESSORIES

DIAMETER    PISTON ROD  EXTENSION ROD   ROD CLAMP   SUB ROD PISTON ROD NUT

PART NO. 15/8” SO-0250-A SO-16-0250 SO-24-0250 SO-0250-B SO-7403364

6 FLUID END PUMP PARTS
NATIONAL JWS-165L

LINERS & LINER SEALS VALVES, SEATS, SPRINGS & INSERTS
HIGH CHROME CERAMIC ZIRCONIA LINER SEAL FULL OPEN
3” SO-0240-30-HC SO-0240-30-CZ SO-1712064 VALVE ASSY – Suction SO-2-V1
3W SO-0240-34-HC SO-0240-34-CZ SO-1712064 VALVE ASSY – Discharge SO-2-V1
4” SO-0240-40-HC SO-0240-40-CZ SO-1712064 SEAT – Suction SO-2-S3
4W SO-0240-44-HC SO-0240-44-CZ SO-1712064 SEAT – Discharge SPRING – Suction SPRING – Discharge CAGE INSERT – Urethane SO-2-S4 SO-5710-003 SO-5710-003 SO-2-C1 SO-2-I

PISTONS

SIZE BORE HUB 0 SIZE REPLACEABLE RUBBER PISTON ASSY PISTON REPLACEMENT RUBBER KIT SINGLE DUROMETER URETHANE BONDED
3” 1” SO-30-HA-10 SO-30-HA –
31/” 1” SO-34-HK-10 SO-34-HK –
4” 1” SO-40-HK-10 SO-40-HK SO-40-10-U
41/” 1” SO-44-HK-10 SO-44-HK SO-44-10-U

PISTON RODS, EXTENSION RODS & ACCESSORIES

DIAMETER    PISTON ROD  EXTENSION ROD   ROD CLAMP   SUB ROD PISTON ROD NUT

PART NO. 1” SO-0238 SO-16-0238 SO-24-0238 – SO-7403224

NATIONAL JWS-340

PISTONS

PISTON RODS, EXTENSION RODS & ACCESSORIES

DIAMETER    PISTON ROD  EXTENSION ROD   ROD CLAMP   SUB ROD PISTON ROD NUT

PART NO. 1” SO-0238 SO-16-0238 SO-24-0238 – SO-7403224

8 FLUID END PUMP PARTS
NATIONAL JWS-400

LINERS & LINER SEALS VALVES, SEATS, SPRINGS & INSERTS
HIGH CHROME CERAMIC ZIRCONIA LINER SEAL FULL OPEN
4” SO-0237-40-HC SO-0237-40-CZ SO-G-0272 VALVE ASSY – Suction SO-2-V1
4W SO-0237-44-HC SO-0237-44-CZ SO-G-0274 VALVE ASSY – Discharge SO-2-V1
5” SO-0237-50-HC SO-0237-50-CZ SO-G-0276 SEAT – Suction SO-2-S3
51/” SO-0237-54-HC SO-0237-54-CZ SO-G-0278 SEAT – Discharge SO-2-S4
SPRING – Suction
SPRING – Discharge
INSERT – Urethane SO-2-I
PISTONS

SIZE BORE HUB 0 SIZE REPLACEABLE RUBBER PISTON ASSY PISTON REPLACEMENT RUBBER KIT SINGLE DUROMETER URETHANE BONDED
4” 1” SO-40-HK-10 SO-40-HK SO-40-10-U
4W 1” SO-44-HK-10 SO-44-HK SO-44-10-U
5” 1” SO-50-HB-10 SO-50-HB SO-50-10-U
5W 1” SO-54-HB-10 SO-54-HB SO-54-10-U

PISTON RODS, EXTENSION RODS & ACCESSORIES

DIAMETER    PISTON ROD  EXTENSION ROD   ROD CLAMP   SUB ROD PISTON ROD NUT

PART NO. 1” SO-2239-A SO-16-2239 SO-24-2239 SO-2239-B SO-7403224