NSN 4820-00-163-5161 Repair Services
Safety Relief Valve Overhaul, Repair, and Maintenance
MPN: A42437
Pricing and Lead Time Quote
Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-163-5161 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 4820-00-163-5161 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 4820-00-163-5161 can be offered in repaired, serviceable, overhauled, or inspected conditions.| National Stock Number (NSN) | 4820-00-163-5161 |
| Categorization | Safety or relief valves |
| Repairability Code |
H
If condemned or uneconomically repairable, then dispose at intermediate level. |
| Approximate Weight | 0.0lb |
| Flow Control Device | Disk |
| Bonnet Type | Exposed spring |
| Bonnet Attachment Method | Bolted |
| Disk Loading Method | Spring |
| Valve Discharge Flow Rate | 43200.0 pounds per hour |
| Renewable Seat Ring Type | Threaded |
| Bolt Hole Quantity | 8 2nd end |
| Valve Operation Method | Automatic or manual |
| Flange Shape | Round with holes 2nd end |
| Features Provided | Pressure tight outlet side |
| Valve Size | 2.500 inches |
| Criticality Code Justification | Feat |
| Opening Pressure Setting | 710.0 pounds per square inch |
| Outside Diameter | 9.000 inches 2nd end |
| Thickness | 1.250 inches 1st end |
| Bolt Hole Diameter | 0.875 inches 2nd end |
| Bolt Circle Diameter | 7.250 inches 2nd end |
| Flange Face Design | Recessed straight 1st end |
| Raised Face Height | 0.062 inches 2nd end |
| Raised Face Diameter | 5.500 inches 2nd end |
| Recess Diameter | 6.875 inches 1st end |
| Recess Depth | 0.062 inches 1st end |
| Special Features | Items are being coded as critical to insure source inspection will be performed at the point of manufacture, prior to material receipt by the us navy or other dod components. These items are piece parts or end items in support of vital military hardware necessary to sustain the successful mission of the ships, submarines, and shore stations of the us navy. Critical features including, but not limited to, dimensions, tolerances/clearances, electronic characteristics, and metallurgical properties will bespecified for government q ar (quality assurance representatives) to insure the highest possible degree of quality and reliability of these parts being delivered under navicp contracts |
| Style Designator | Angle flanged ends |
| Reference Number Differentiating Characteristics | As differentiated by the valve discharge flow rate requirement |
Part Numbers
| Part Number | Company | RNAAC (Repair Depot) |
|---|---|---|
| A42437 | PENTAIR VALVES & CONTROLS US LP | HD - NAVAL INVENTORY CONTROL POINT |