4820-00-159-0557
Find complete technical information, availability, and procurement data for: 4820-00-159-0557
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A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.
inside screw bonnet type, disk flow control device, manual valve operation method, union bonnet attachment method, threaded renewable seat ring type
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Flow Control Device
- disk
- Bonnet Type
- inside screw
- Bonnet Attachment Method
- union
- Renewable Seat Ring Type
- threaded
- Valve Operation Method
- manual
- Features Provided
- valve stem lock shield and bonnet packing
- Criticality Code Justification
- zzzy
- Material
- nickel alloy 400 and nickel alloy r-405 and nickel alloy seat
- Material
- nickel alloy 400 and nickel alloy r-405 stem
- Style Designator
- straight thru
- Reference Number Differentiating Characteristics
- quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 4820-00-056-8785 | No Name Available | 05/01/2001 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 803-2177934-C111AF | Globe Valve |
| 803-2177934-C111AF L1 | Globe Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
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Does NSN 4820-00-159-0557 require demilitarization?
Does NSN 4820-00-159-0557 contain precious materials?
Does NSN 4820-00-159-0557 contain hazardous materials?
When the NSN 4820-00-159-0557 was assigned to the Federal Catalog?
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Pricing
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