Mastercool 5300-KC Knob Cap Nitrogen Regulator Part #3
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Mastercool 5300-KC — Knob Cap for Nitrogen Pressure Regulators
Genuine replacement knob cap (Part #3) for Mastercool nitrogen pressure regulators models 53001, 53002, 53003, 53004, 53005, and 53006. Precision-engineered protective cap ensures knob protection and reliable nitrogen pressure control during leak testing and system pressurisation.
Key Features:
- Genuine Mastercool Part – OEM quality replacement component
- Part #3 in Assembly – Knob cap from official parts breakdown
- Universal Fit – Compatible with all 53001-53006 nitrogen regulators
- Protective Design – Shields knob from damage and contamination
- Durable Construction – Built to Mastercool professional standards
- Direct Replacement – Exact fit for original component
Specifications:
- Model: 5300-KC
- Type: Knob cap
- Part Number: #3 (from repairable parts breakdown)
- Compatible Models: 53001, 53002, 53003, 53004, 53005, 53006
- Application: Nitrogen pressure regulators
- Material: Plastic/protective material
- SKU: 5300-KC
- HS Code: 84818099
Complete Nitrogen Regulator Replacement Parts:
All Repairable Components Available:
- Part #1: 5300-VAN — Valve Assembly Nut
- Part #2: 5300-VAK — Valve Assemble Knob
- Part #3: 5300-KC — Knob Cap (this part)
- Part #4: 5300-VA — Valve Assembly
- Part #5: 5300-FA — 1/4" Flare Adapter
- Part #6: 5300-TB — T" Bar
- Part #7: 5300-RPS — Regulator Pressure Screw
Compatible Nitrogen Regulators:
- 53001 (pictured) — Nitrogen Pressure Regulator
- 53002 — Nitrogen Pressure Regulator
- 53003 — Nitrogen Pressure Regulator
- 53004 — Nitrogen Pressure Regulator
- 53005 — Nitrogen Pressure Regulator
- 53006 — Nitrogen Pressure Regulator
Applications:
- Nitrogen regulator maintenance and repair
- Knob protection and replacement
- Replacement of worn, cracked, or missing caps
- Leak testing equipment maintenance
- System pressurisation equipment repair
Why Replace Your Knob Cap?
- Cracked or Broken – Damaged cap no longer protects knob
- Missing Cap – Lost during service or transport
- Worn Material – Degraded plastic affecting fit
- Preventive Maintenance – Replace before failure occurs
Installation:
The knob cap fits over the valve assembly knob to provide protection from damage and contamination. Simply press the cap onto the knob ensuring it seats properly. Refer to the nitrogen regulator repairable parts breakdown diagram for proper assembly.
Genuine Mastercool replacement part for maintaining nitrogen pressure regulator performance and reliability. Part #3 from official repairable parts breakdown for models 53001-53006.