4820-01-252-8393
Find complete technical information, availability, and procurement data for: 4820-01-252-8393
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Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-01-252-8393
Item Name Code
05488
Assigment Date
04/08/1987 (39 years ago)
250.0 fahrenheit single response maximum operating temp, right-hand all ends thread direction, plain,optional end(pipe) 2nd end connection style, plain (pipe) 1st end connection style, poppet flow control device
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Direction
- right-hand all ends
- Flow Control Device
- poppet
- Maximum Operating Temp
- 250.0 fahrenheit single response
- Connection Style
- plain (pipe) 1st end
- Connection Style
- plain,optional end(pipe) 2nd end
- Valve Operation Method
- automatic
- Connection Type
- threaded external pipe 1st end
- Connection Type
- threaded internal pipe 2nd end
- Maximum Operating Pressure
- 2500.0 pounds per square inch single response
- Nominal Thread Size
- 0.250 inches all ends
- Opening Pressure Setting
- 300.0 pounds per square inch
- Material
- copper alloy body
- Media For Which Designed
- air 1st responseacetylene 2nd responseammonia, gaseous 3rd responserefrigerant 12 4th responsehydrogen 5th response
- Style Designator
- straight thru note: to be used for valve bodies of one section only.
- Thread Series Designator
- npt all ends
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 |
|---|---|
| 5159B-2MP-300 | Safety Relief Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-01-252-8393?
The FSCG of the NSN 4820-01-252-8393 is 4820
Does the NSN 4820-01-252-8393 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-252-8393 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 4820-01-252-8393 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-252-8393 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 4820-01-252-8393 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Wed, Apr 8, 1987
Professional Distribution
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Pricing
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In Stock
This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.
| New Surplus | 1 |
| Total | 1 |
Availability of this item was last updated on:
12/22/2025 03:12 AM EST.
Stock levels and pricing are subject to change.