4820-01-201-2656

Find complete technical information, availability, and procurement data for: 4820-01-201-2656
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-201-2656

Item Name Code

05488

Assigment Date

02/14/1985 (41 years ago)

exposed spring bonnet type, disk flow control device, bolted bonnet attachment method, streamlined with one brazing ring (tube) all ends connection style, apl:883110492 end item identification

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: exposed spring
Bonnet Attachment Method: bolted
End Item Identification: apl:883110492
Connection Style: streamlined with one brazing ring (tube) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal tube all ends
Adjustable Pressure Range: +35.0 to 44.0 pounds per square inch
Maximum Operating Pressure: 4000.0 pounds per square inch single response
Nominal Outside Diameter Tube Accommodated: 0.750 inches all ends
Material: copper alloy body
Material: steel comp 316 stem
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
1251T 3-4IN	Safety Relief Valve
9969-1251T 3-4I	Safety Relief Valve
9969-1251T 3/4 IN 35PSI	Safety Relief Valve
9969G51M	Safety Relief Valve
BCSAA04SDD	Safety Relief Valve
D52UU-04 3/4 INCH	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-201-2656?

The FSCG of the NSN 4820-01-201-2656 is 4820

Does the NSN 4820-01-201-2656 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-201-2656 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 4820-01-201-2656 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-201-2656 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 4820-01-201-2656 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Thu, Feb 14, 1985