4820-01-263-9474

Find complete technical information, availability, and procurement data for: 4820-01-263-9474
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-263-9474

Item Name Code

05488

Assigment Date

09/22/1987 (38 years ago)

A rigid or flexible item of various shapes attached to a structure for the purpose of providing access for inspection, service, replacement of components and/or adjustments or mounting operations. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs, and the like. To permit access, the mounted cover requires partial or complete removal. It may include an observation window. For items permanently attached by hinges and the like, see door, access (as modified). Excludes:all covers not specifically designed to provide access for the purposes listed above.

right-hand all ends thread direction, 225.0 fahrenheit single response maximum operating temp, 3b all ends thread class, gasket seal(boss) all ends connection style, poppet 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: 3b all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Maximum Operating Temp: 225.0 fahrenheit single response
Connection Style: gasket seal(boss) all ends
Valve Operation Method: automatic
Connection Type: threaded internal boss all ends
Adjustable Pressure Range: +10.0 to 50.0 pounds per square inch
Maximum Operating Pressure: 3600.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches all ends
Material: rubber synthetic seat
Material: steel corrosion resisting body
Media For Which Designed: air 1st response
Media For Which Designed: hydraulic fluid, mineral base 2nd response
Style Designator: angle
Thread Series Designator: unf all 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
645B-2-8-2	Safety Relief Valve
7-1063-8G	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-263-9474?

The FSCG of the NSN 4820-01-263-9474 is 4820

Does the NSN 4820-01-263-9474 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-263-9474 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 4820-01-263-9474 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-263-9474 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 4820-01-263-9474 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Tue, Sep 22, 1987