4820-00-202-5591

Find complete technical information, availability, and procurement data for: 4820-00-202-5591
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-202-5591

Item Name Code

05487

Assigment Date

01/01/1963 (63 years ago)

external seat for gasket seal (boss) all ends connection style, disk flow control device, right-hand all ends thread direction, 3a all ends thread class, 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 Class: 3a all ends
Thread Direction: right-hand all ends
Flow Control Device: disk
Disk Loading Method: spring
Connection Style: external seat for gasket seal (boss) all ends
Valve Operation Method: automatic
Connection Type: threaded external boss all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 12 all ends
Nominal Thread Size: 1.312 inches all ends
Nominal Outside Diameter Tube Accommodated: 1.000 inches all ends
Material: aluminum alloy and rubber synthetic flow control device
Material: aluminum alloy seat
Material: aluminum alloy body
Surface Treatment: anodize
Style Designator: straight thru
Thread Series Designator: un all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2915-00-373-8012	No Name Available	01/01/1963

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
4-648-76N1	Check Valve
633573-2	Check Valve
SP4-648-76N	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-202-5591?

The FSCG of the NSN 4820-00-202-5591 is 4820

Does the NSN 4820-00-202-5591 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-202-5591 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 4820-00-202-5591 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-202-5591 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 4820-00-202-5591 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963