4820-01-449-1691

Find complete technical information, availability, and procurement data for: 4820-01-449-1691
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-449-1691

Item Name Code

05488

Assigment Date

09/22/1997 (28 years ago)

A boltlike item having a concentric hole along the longitudinal centerline which may extend a part or the full length of the item. It has a hole(s) perpendicular to the axis, joining or passing through the concentric hole along the longitudinal centerline. The item is designed to distribute fluid, air, or lubricant through its body to a mating item, such as a connector, multiple, fluid pressure line, bearing(s), bushing(s), or the like. The item must be capable of attaching to a block fitting and/or a tubing line or be designed to accommodate a fitting, lubrication. Excludes:bolt, internally relieved body; bleeder valve, hydraulic system; and bushing, machine thread. See also pin, vehicular leaf spring shackle.

disk flow control device, right-hand all ends thread direction, spring disk loading method, 400.0 fahrenheit single response maximum operating temp, packing retaining bonnet type

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: disk
Bonnet Type: packing retaining
Disk Loading Method: spring
Maximum Operating Temp: 400.0 fahrenheit single response
End Item Identification: support equipment(se), b-2 bomber aircraft
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: 2400.0 pounds per square inch single response
Nominal Thread Size: 0.375 inches all ends
Opening Pressure Setting: 2000.0 pounds per square inch
Special Features: incl manual override ring handle design
Material: rubber packing
Material: steel comp 303 body
Material: steel comp 303 flow control device
Material: steel comp 303 seat
Media For Which Designed: fuel/oil, hydrocarbon single response
Style Designator: straight thru note: to be used for valve bodies of one section only.
Thread Series Designator: npt all ends
Furnished Items And Quantity: 1 handle

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
5132T-3MP-2000	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-449-1691?

The FSCG of the NSN 4820-01-449-1691 is 4820

Does the NSN 4820-01-449-1691 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-449-1691 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 4820-01-449-1691 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-449-1691 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 4820-01-449-1691 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Mon, Sep 22, 1997