540-3-4
View detailed technical data, stock status, and sourcing information for: 540-3-4
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A valve having two or more ports with valve stem or pilot needle in a normally open or closed position. It is specifically designed to stop or start or change the flow of fluid by means of the magnetic action of an electric coil on a moveable core or plunger. The valve may be equipped with a manual opening or closing device. For items with three or more ports that utilize a reciprocating slide with recess areas which mate with ports in an integral or replaceable ported sleeve, see valve (1), linear, directional control. It may be inline or cartridge (manifold) design. Excludes:valve (1), butterfly.
water, fresh media for which designed, "angle give "adqm" and "adqn" only if flanged one or two ends" body style, plain first end style designator, 210.0 fahrenheit temp rating, threaded internal pipe first end connection type
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Body Style
- "angle give "adqm" and "adqn" only if flanged one or two ends"
- Temp Rating
- 210.0 fahrenheit
- Media For Which Designed
- water, fresh
- First End Connection Type
- threaded internal pipe
- First End Style Designator
- plain
- First End Nominal Pipe Size Accommodated
- 0.500 inches
- First End Thread Direction
- right-hand
- Second End Relationship With First End
- not identical
- Second End Connection Type
- threaded external pipe
- Second End Style Designator
- plain
- Second End Nominal Pipe Size Accommodated
- 0.750 inches
- Second End Thread Direction
- right-hand
- Flow Control Device
- disk, flat
- End Connection Quantity
- 2
- Opening Pressure Setting
- 125.0 pounds per square inch
- Bulb Length
- 1.375 inches nominal
- Bulb Diameter
- 0.040 inches nominal
- Temp Adjustability
- not adjustable
- Temp Control Device Type
- thermostatic
- Material
- copper alloy body
- Material
- copper alloy flow control device
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 4820-00-287-5648 | No Name Available | 03/01/1978 |
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 |
|---|---|
| 100XL-3/4-125 PSI | Pressure and Temper Relief Valve |
| 100XL-3/4-125PS | Pressure and Temper Relief Valve |
| 540-3-4 | Pressure and Temper Relief Valve |
| A540-3-4 | Pressure and Temper Relief Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-01-007-5158?
Does the NSN 4820-01-007-5158 have a Schedule B code assigned?
Does NSN 4820-01-007-5158 require demilitarization?
Does NSN 4820-01-007-5158 contain precious materials?
Does NSN 4820-01-007-5158 contain hazardous materials?
When the NSN 4820-01-007-5158 was assigned to the Federal Catalog?
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