SS-4R3A5/70BAR

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-544-7440

Item Name Code

05488

Assigment Date

10/20/2006 (19 years ago)

threaded internal tube 2nd end connection type, plain (tube) 2nd end connection style, right-hand all ends thread direction, threaded external tube 1st end connection type, flared (tube) 1st end connection style

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
Connection Style: flared (tube) 1st end
Connection Style: plain (tube) 2nd end
Connection Type: threaded external tube 1st end
Connection Type: threaded internal tube 2nd end
Nominal Thread Size: 0.250 inches all ends
Opening Pressure Setting: 70.0 bar
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
550750-01/8 ITEM 3	Safety Relief Valve
550750100015	Safety Relief Valve
SS-4R3A5/70BAR	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-544-7440?

The FSCG of the NSN 4820-01-544-7440 is 4820

Does the NSN 4820-01-544-7440 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-544-7440 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 4820-01-544-7440 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-544-7440 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 4820-01-544-7440 was assigned to the Federal Catalog?

It was assigned 19 years ago, on Fri, Oct 20, 2006