1856M-0L/SP 1.0

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-254-7352

Item Name Code

05488

Assigment Date

05/09/1987 (39 years ago)

1.000 inches 1st end nominal pipe size accommodated, socket all ends connection style, disk flow control device, 1.250 inches 2nd end nominal pipe size accommodated, spring disk loading method

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Nominal Pipe Size Accommodated: 1.000 inches 1st end
Nominal Pipe Size Accommodated: 1.250 inches 2nd end
Flow Control Device: disk
Disk Loading Method: spring
Connection Style: socket all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe all ends
Adjustable Pressure Range: +115.0 to 129.0 pounds per square inch
Material: copper alloy flow control device
Material: copper alloy stem
Material: steel corrosion resisting body
Style Designator: angle

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
18252-F	Safety Relief Valve
18252-F-SP-2 1.00IPS 115T129	Safety Relief Valve
1856M-0L/SP 1.0	Safety Relief Valve
2856-0L/SP 1.0	Safety Relief Valve
6000-F-1	Safety Relief Valve

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-01-254-7352?

The FSCG of the NSN 4820-01-254-7352 is 4820

Does the NSN 4820-01-254-7352 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-254-7352 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 4820-01-254-7352 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-254-7352 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 4820-01-254-7352 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sat, May 9, 1987