1RS4

View detailed technical data, stock status, and sourcing information for: 1RS4
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-836-8321

Item Name Code

05485

Assigment Date

12/09/1966 (59 years ago)

right-hand all ends thread direction, 3a all ends thread class, inside screw bonnet type, integral bonnet attachment method, stem 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 Class: 3a all ends
Thread Direction: right-hand all ends
Flow Control Device: stem
Bonnet Type: inside screw
Bonnet Attachment Method: integral
Maximum Operating Temp: 400.0 fahrenheit single response
Connection Style: plain (tube) all ends
Valve Operation Method: manual
Connection Type: threaded external tube all ends
Mounting Facility: panel
Features Provided: bonnet packing
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Special Features: incl 2 sleeve
Material: copper alloy body
Material: copper alloy seat
Material: steel corrosion resisting flow control device
Material: steel corrosion resisting stem
Media For Which Designed: air single response
Style Designator: straight thru
Thread Series Designator: unf all ends
Furnished Items And Quantity: 2 ferrule and 2 nut

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-027-3204	No Name Available	11/01/2007
4820-01-122-9937	No Name Available	05/01/1988

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
1RS4	Globe Valve
3307695-3	Globe Valve
4Z-V4LN-B	Globe Valve
61Y3-187	Globe Valve
73-8038-136B	Globe Valve
8772662	Globe Valve
B-1RS4	Globe Valve
B-1RS4REVA	Globe Valve
B-1RSH	Globe Valve
M914B4CC	Globe Valve
M91B4CC	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-00-836-8321?

The FSCG of the NSN 4820-00-836-8321 is 4820

Does the NSN 4820-00-836-8321 have a Schedule B code assigned?

Yes, the Schedule B code is 8481801070

Does NSN 4820-00-836-8321 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 4820-00-836-8321 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-836-8321 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 4820-00-836-8321 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Dec 9, 1966