1645421

View detailed technical data, stock status, and sourcing information for: 1645421
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-875-5282

Item Name Code

05488

Assigment Date

01/01/1962 (64 years ago)

inside screw bonnet type, disk flow control device, right-hand all ends thread direction, threaded bonnet attachment method, spring disk loading method

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: inside screw
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Renewable Seat Ring Type: threaded
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Nominal Thread Size: 0.500 inches all ends
Special Features: one cap-chain
Material: steel body
Material: steel corrosion resisting flow control device
Surface Treatment: paint
Style Designator: angle
Thread Series Designator: npt 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
1645420	Safety Relief Valve
1645421	Safety Relief Valve
N1645421	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-875-5282?

The FSCG of the NSN 4820-00-875-5282 is 4820

Does the NSN 4820-00-875-5282 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-875-5282 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 4820-00-875-5282 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-875-5282 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 4820-00-875-5282 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962