NSN 4820-00-446-3550 Repair Services
Safety Relief Valve Overhaul, Repair, and Maintenance
MPN: 81125S41-21502PC4, N21502PC4, 3305752, 658M0D
Pricing and Lead Time Quote
Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-446-3550 safety relief valveFAA and EASA Part 145 Certified Repair Stations Ensuring the highest standards of quality and compliance for our clients' needs.
We specialize in the repair and refurbishment of nsn components. From mechanical assemblies to rotor blades, our comprehensive capabilities cover a wide range of NSN parts, providing cost effective solutions to extend the operational life of vital equipment.
NSN 4820-00-446-3550 has been designated as a repairable item and has been included in our capabilities catalog. If you require overhaul or repair services use the form on this page to send us your information. We will provide you with a lead time and price quote.
Repairability and Datasheet
NSN 4820-00-446-3550 can be offered in repaired, serviceable, overhauled, or inspected conditions.| National Stock Number (NSN) | 4820-00-446-3550 |
| Categorization | Safety or relief valves |
| Repairability Code | |
| Approximate Weight | 0.0lb |
| Flow Control Device | Disk |
| Bonnet Type | Inside spring |
| Bonnet Attachment Method | Threaded |
| Disk Loading Method | Spring |
| Bolt Hole Quantity | 4 1st end |
| Valve Operation Method | Automatic |
| Flange Shape | Round with holes 1st end |
| Connection Type | Flange 1st end |
| Features Provided | Pressure tight outlet side |
| Adjustable Pressure Range | +7.0/+25.0 pounds per square inch |
| Outside Diameter | 5.000 inches 1st end |
| Thickness | 0.438 inches 1st end |
| Bolt Hole Diameter | 0.688 inches 1st end |
| Bolt Circle Diameter | 3.875 inches 1st end |
| Flange Face Design | Plain 1st end |
| Special Features | Modified with flange connections and flat disk |
| Material | Copper alloy body |
| Style Designator | Angle |
Part Numbers
| Part Number | Company | RNAAC (Repair Depot) |
|---|---|---|
| 81125S41-21502PC4 | NAVAL SHIP SYSTEMS COMMAND | HD - NAVAL INVENTORY CONTROL POINT |
| N21502PC4 | HATCH & KIRK, INC. | HD - NAVAL INVENTORY CONTROL POINT |
| 3305752 | HATCH & KIRK, INC. | HD - NAVAL INVENTORY CONTROL POINT |
| 658M0D | LUNKENHEIMER CO | HD - NAVAL INVENTORY CONTROL POINT |