4820-01-446-3748

Find complete technical information, availability, and procurement data for: 4820-01-446-3748
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4820-01-446-3748 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-446-3748

Item Name Code

05488

Assigment Date

07/01/1997 (29 years ago)

450.0 fahrenheit single response maximum operating temp, 4 all ends bolt hole quantity, spring disk loading method, whidbey island class lsd end item identification, disk 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.

Flow Control Device: disk
Disk Loading Method: spring
Bolt Hole Quantity: 4 all ends
Maximum Operating Temp: 450.0 fahrenheit single response
End Item Identification: whidbey island class lsd
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 0.500 inches
Adjustable Pressure Range: +13.0 to 23.0 pounds per square inch
Maximum Operating Pressure: 400.0 pounds per square inch single response
Nominal Outside Diameter: 3.500 inches all ends
Nominal Thickness: 0.440 inches all ends
First Connection Face To Centerline Distance: 3.250 inches
Bolt Hole Nominal Diameter: 0.620 inches all ends
Second Connection Face To Centerline Distance: 3.250 inches
Bolt Circle Nominal Diameter: 2.380 inches all ends
Flange Face Design: plain all ends
Part Name Assigned By Controlling Agency: valve angle relief
Material: steel comp 316 flow control device
Material: steel comp 316 seat
Material: steel comp 316 stem
Material: steel uns j03002 body
Material Document And Classification: astm a216, grade wcb assn std single material response body
Style Designator: angle flanged ends

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
CASNN035CC	Safety Relief Valve
CASNN03SCC	Safety Relief Valve
D60-FF-03-1/2	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-446-3748?

The FSCG of the NSN 4820-01-446-3748 is 4820

Does the NSN 4820-01-446-3748 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-446-3748 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 4820-01-446-3748 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-446-3748 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 4820-01-446-3748 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Tue, Jul 1, 1997