17 Oct 2026

NATIONAL 10-P-130 PISTON ROD KR-0256-A

SIZES

LINER

LINER PACKING

4”

N/A

N/A

4½”

KR-0255-44

KRG-274

5”

KR-0255-50

KRG-265

5½”

KR-0255-54

KRG-263

6”

KR-0255-60

KRG-261

6¼”

KR-0255-62

KRG-283

6½”

KR-0255-64

KRG-768

6¾”

KR-0255-66

KRG-768

 

Valve Cover Gasket

KR-61-0255

 

SERIES

VALVE

SEAT

SPRING

URETHANE INSERT

PULLER HEAD

4 WEB

KR-U5B-EH

KR-6ADD-B4

KR-5710-115

KR-UDD-6AB

KR-1700-6

4 WEB HIGH TEMP

KR-U5B-EHHT

KR-6ADD-B4

KR-5710-115

KR-UDD-6ABHT

KR-1700-6

FULL OPEN

KR-6FO-V1

KR-6FO-S4

KR-5710-115

KR-6FO-SI

KR-1700-6FO

G2

KR-1560995

KR-1561450

KR-1560701

KR-1560587

KR-1700-6G2

ROUGHNECK

KR-RN6-V1

KR-RN6-S4

KR-5710-115L

KR-RN6-I

KR-1700-6FO

 

Piston Size

High Temperature

Replaceable Rubber Piston

Rubber Kits

Rubber Bonded

Urethane Bonded

4”

KR-RT-400

KR-I40HK14/15

KR-I40HK

KR-RB-400

KR-LL-400

4½”

KR-RT-440

KR-I44HK14/15

KR-I44HK

KR-RB-440

KR-LL-440

5”

KR-RT-500

KR-I50HB14/15

KR-I50HB

KR-RB-500

KR-LL-500

5½”

KR-RT-540

KR-I54HB14/15

KR-I54HB

KR-RB-540

KR-LL-540

6”

KR-RT-600

KR-I60HB14/15

KR-I60HB

KR-RB-600

KR-LL-600

6½”

KR-RT-640

KR-I64HL14/15

KR-I64HL

KR-RB-640

KR-LL-640

 


PISTON ROD

SUB ROD

EXTENSION ROD

ROD CLAMP

PISTON ROD NUT

PART NUMBER

KR-0256-A

KR-0256-B

KR-16-0256

KR-24-0256

KR-7403364

 


Prosperity Petroleum Equipment

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