11” 5M SHAFFER LWS T-71
CATEGORY: BLOWOUT PREVENTERS – RAM STYLE, ANNULAR STYLE
11" 5M Shaffer LWS T-71 BOP Parts
LKC Equipment supplies replacement parts and components for the 11″ 5M Shaffer LWS T-71 Blowout Preventer (BOP). Designed for dependable well control and pressure containment, the Shaffer LWS T-71 is widely used in drilling, completion, workover, intervention, and pressure-control operations throughout the oil and gas industry.
Our inventory includes ram blocks, ram packers, piston assemblies, locking shafts, cylinders, carrier blocks, manifold tubes, seal kits, door assemblies, and replacement components designed to support the maintenance and rebuilding of Shaffer LWS T-71 BOP systems.

| ITEM | PN# | Description |
| 1 | – | Body |
| 2 | 134807 | Right Hand Door |
| 3 | 134808 | Left Hand Door |
| 4 | 20103 | Nut for Cylinder Head Stud |
| 5 | 30008 | Door Gasket |
| 6 | 134806 | Door Bolt |
| 7 | 134005 | Cylinder |
| 8 | 134006 | Cylinder Head |
| 9 | 30007 | O Ring – Cylinder and Cylinder Head |
| 10 | 134418 | Stud – Cylinder & Cylinder Head |
| 11 | 10693 | Cap Screw |
| 12 | 30058 | O-Ring – Cylinder Manifold Port |
| 13 | 141270 | Ram Shaft |
| 14 | 116234 | Packing – Ram Shaft |
| 15 | 115025 | Packing Adapter |
| 16 | 116236 | Wiper Ring – Ram Shaft |
| 17 | 116235 | End Ring – Ram Shaft Packing |
| 18 | 116237 | Holder for Wiper Ring (Ram Shaft) |
| 19 | 141243 | Retainer Ring – Packing Adapter |
| 20 | 192006 | Piston Assembly |
| 21 | 192007* | Piston Body |
| 22 | 115021* | Piston Rubber |
| 23 | 115020* | Retainer – Piston Rubber |
| 24 | 10657* | Cap Screw – Rubber Retainer |
| 25 | 25032* | Lock Washer |
| 26 | 30000* | O-Ring – Piston |
| 27 | 192103 | Piston Locknut |
| 28 | 10000 | Set Screw for Piston Locknut |
| 29 | 141273 | Locking Shaft |
| 30 | 134008 | Thrust Bushing |
| 31 | 40001 | Retainer Ring – Thrust Bushing |
| 32 | 116201 | Locking Shaft Seal |
| 34 | 141237 | Wiper Ring – locking Shaft |
| 35 | 141238 | Holder for Wiper Ring (Locking Shaft) |
| 36 | 134810 | Hinge Bracket |
| 37 | 50096 | Dowel Pin |
| 38 | 10726 | Cap Screw – Hinge Bracket |
| 39 | 134812 | Manifold Tub – Hinge (Straight) |
| 40 | 30056 | O-Ring – Hinge Manifold Tube |
| 41 | 134811 | Hinge Pin |
| 42 | 65001 | Plug – Hinge Pin |
| 43 | 30064 | O-Ring – Hinge Pin |
| 44 | 132424 | Retainer Pin – Hinge Pin |
| 45 | 66327 | Thread Protector Plug |
| 46 | 10425 | 1 7/8″ x 9 3/8″ stud |
| 47 | 20014 | 1 7/8″ Nut |
| 48 | 50228 | Wrench – Door |
| 49 | 50370 | Wrench – Cylinder Head |
| 50 | 115050 | Hand Wheel |
| 51 | 6010k | Universel Joint |
| 53 | SEE TABLE | Ram Assembly |
| ‡ | 135575 | Retractor Stud STD. Trim |
| ‡ | 220087 | Hand Wheel Plug |
| ‡ | 141966-1K | Seal Kit |
RAM BLOCKS, PACKERS, TOP SEALS
DESCRIPTION | RAM BLOCKS | PACKERS |
CSO | 137106 | 137107 |
1.315″ | 137110 | 137111 |
1.66″ | 137114 | 137115 |
1.90″ | 137118 | 137119 |
2 1/16″ | 116193 | 116195 |
2 3/8″ | 137123 | 137124 |
2 7/8″ | 137127 | 137128 |
3 1/2″ | 142131 | 137132 |
4″ | 142179 | 137136 |
4 1/8″ | 142182 | 137140 |
4 1/2″ | 142133 | 137144 |
5″ | 142202 | 137148 |
5 1/2″ | 142205 | 137152 |
6 5/8″ | 137155 | 137156 |
7″ | 137159 | 137160 |
7 5/8″ | 137163 | 137164 |
8 5/8″ | 137167 | 137168 |
RAM BLOCK HOLDER (CARRIER) | 135875 |
|
RETRACTOR STUD | 135575 |
|
RETAINING SCREW (RAM RUBBER) | 135546 |
|
COILED TUBING SIZES AVAILABLE

RAM PACKERs
Shaffer LWS T-71 Blowout Preventer Components
The 11″ 5M Shaffer LWS T-71 incorporates hydraulic and mechanical assemblies designed for reliable operation in demanding oilfield environments.
Available components include:
- BOP Body
- Right-Hand Door
- Left-Hand Door
- Right-Hand Cylinder
- Left-Hand Cylinder
- Right-Hand Cylinder Head
- Left-Hand Cylinder Head
- Ram Shaft
- Locking Shaft
- Piston Assembly
These components work together to provide dependable pressure-control and well-control performance.
Hydraulic Cylinder & Piston Assemblies
The hydraulic operating system provides the force required to actuate ram assemblies during well-control operations.
Available components include:
- Piston Assemblies
- Piston Bodies
- Piston Rubber
- Piston Retainers
- Piston O-Rings
- Piston Locknuts
- Set Screws
- Hydraulic Cylinders
- Cylinder Heads
These components help ensure efficient hydraulic operation and long-term reliability.
Ram Shaft & Locking Shaft Components
The ram shaft and locking shaft assemblies provide structural support and controlled movement of the ram system.
Available products include:
- Ram Shafts
- Locking Shafts
- Ram Shaft Packing
- Packing Adapters
- Thrust Bushings
- Retainer Rings
- Wiper Rings
- End Rings
- Inner O-Rings
- Outer O-Rings
These components help maintain sealing integrity and dependable ram performance.
Door Assemblies & Hinge Components
The door assembly is designed for durability, serviceability, and reliable field performance.
Available components include:
- Door Assemblies
- Door Gaskets
- Door Bolts
- Hinge Brackets
- Hinge Pins
- Hinge Pin Retainers
- Dowel Pins
- Thread Protector Plugs
These components contribute to equipment safety and long service life.
Manifold Tubes & Hydraulic Connections
The hydraulic manifold system distributes operating pressure throughout the BOP assembly.
Available products include:
- Straight Hinge Manifold Tubes
- Manifold Connections
- Manifold Tube O-Rings
- Pipe Plugs
- Hydraulic Connection Components
These components help maintain proper hydraulic flow and system integrity.
Seal Kits & Sealing Components
Maintaining seal integrity is critical to safe pressure-control operations.
Available sealing products include:
- Door Gaskets
- Cylinder O-Rings
- Ram Shaft Packing
- Packing Adapter O-Rings
- Piston O-Rings
- Scraper Rings
- Wiper Rings
- Hinge Pin O-Rings
- Locking Shaft Seals
Complete Seal Kit
Seal Kit Part Number: 141966-1K
The seal kit is designed to support maintenance and rebuilding of Shaffer LWS T-71 BOP systems.
Ram Blocks & Ram Packers
LKC Equipment supplies ram blocks and ram packers for a wide range of pipe sizes used in Shaffer LWS T-71 blowout preventers.
Available sizes include:
- CSO
- 1.315″
- 1.66″
- 1.90″
- 2 1/16″
- 2 3/8″
- 2 7/8″
- 3 1/2″
- 4″
- 4 1/8″
- 4 1/2″
- 5″
- 5 1/2″
- 6 5/8″
- 7″
- 7 5/8″
- 8 5/8″
Matching ram blocks and ram packers are available for each size configuration.
Carrier Blocks & Ram Assembly Components
Additional ram assembly components are available to support maintenance and rebuilding requirements.
Available products include:
- Ram Block Holder (Carrier Block)
- Retractor Studs
- Ram Rubber Retaining Screws
- Ram Assembly Components
These parts help maintain proper ram operation and extend equipment service life.
Replacement Parts & Maintenance Components
LKC Equipment supplies replacement parts for maintaining and rebuilding Shaffer LWS T-71 BOP systems.
Available replacement components include:
- Cylinders
- Cylinder Heads
- Piston Assemblies
- Ram Shafts
- Locking Shafts
- Hinge Assemblies
- Manifold Tubes
- Carrier Blocks
- Door Components
- Seal Components
- Packing Adapters
- Ram Shaft Packing
- Hydraulic Components
- O-Rings & Seal Kits
These replacement parts help reduce downtime, support preventative maintenance programs, and extend the service life of Shaffer LWS T-71 pressure-control equipment.
Applications
The 11″ 5M Shaffer LWS T-71 BOP is commonly used in:
- Drilling Operations
- Well Control Systems
- Pressure Control Equipment
- Workover Operations
- Completion Activities
- Intervention Services
- Oilfield Maintenance Programs
These components help operators maintain safe and reliable well-control performance in demanding environments.
Why Choose LKC Equipment
LKC Equipment supplies quality pressure-control equipment and replacement parts for oilfield operations worldwide.
Benefits include:
- Shaffer LWS T-71 BOP Parts
- Ram Blocks & Ram Packers
- Hydraulic Cylinder Components
- Carrier Blocks & Ram Assemblies
- Complete Seal Kits
- Locking Shaft Assemblies
- Multiple Pipe Size Configurations
- Industry-Proven Pressure-Control Solutions
Frequently Asked Questions
The Shaffer LWS T-71 is a ram-style blowout preventer used to provide pressure control and well control during drilling, completion, and intervention operations.
Ram blocks and ram packers are available from CSO through 8 5/8″ pipe sizes, including 4 1/8″ configurations.
Yes. We supply matching ram blocks and ram packers for multiple tubular sizes used in Shaffer LWS T-71 BOP systems.
Yes. Complete Seal Kit Part Number 141966-1K is available for the 11″ 5M Shaffer LWS T-71.
Yes. Carrier blocks, retractor studs, ram retaining screws, and additional ram assembly components are available.
Yes. Hydraulic cylinders, cylinder heads, piston assemblies, locking shafts, manifold tubes, and related components are available.
Request a Quote from a Trusted Oilfield Equipment Supplier
Looking for 11″ 5M Shaffer LWS T-71 BOP parts, ram blocks, ram packers, carrier blocks, piston assemblies, hydraulic cylinders, seal kits, or replacement pressure-control components?
Contact LKC Equipment today for oilfield equipment, oil and gas tools, equipment availability, specifications, and pricing. Our team can help identify the correct Shaffer LWS T-71 replacement parts for your drilling, workover, completion, and well-control requirements. We supply new, used, and refurbished well control equipment for drilling, workover, and oilfield operations. Our team is ready to support your operations with reliable supply and fast service.
Our commitment to quality and reliability has positioned us as a trusted oilfield equipment supplier and oilfield supply company serving clients across Oklahoma, North Dakota, Pennsylvania, California, and Texas, and across the United States and worldwide.
