4820-00-254-8637

Find complete technical information, availability, and procurement data for: 4820-00-254-8637
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-254-8637

Item Name Code

16990

Assigment Date

01/01/1963 (63 years ago)

plain (pipe) all ends connection style, disk or stem flow control device, threaded external pipe all ends connection type, manual valve operation method, right-hand all ends thread direction

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 or stem
Connection Style: plain (pipe) all ends
Valve Operation Method: manual
Connection Type: threaded external pipe all ends
Nominal Thread Size: 0.250 inches all ends
Material: copper alloy overall
Style Designator: straight thru
Thread Series Designator: npt all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-167-4118	No Name Available	09/01/1982
4820-01-157-5139	No Name Available	10/01/1995

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
108360	Screw Stem Shutoff Cock
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194813	Screw Stem Shutoff Cock
1JH3476PC2	Screw Stem Shutoff Cock
1JH3478ITEM2SH12	Screw Stem Shutoff Cock
561X16	Screw Stem Shutoff Cock
571-8900-1456418PC2	Screw Stem Shutoff Cock
906037-16	Screw Stem Shutoff Cock
9108360	Screw Stem Shutoff Cock

FAQs

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

What is the FSCG of the NSN 4820-00-254-8637?

The FSCG of the NSN 4820-00-254-8637 is 4820

Does the NSN 4820-00-254-8637 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-254-8637 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 4820-00-254-8637 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-254-8637 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 4820-00-254-8637 was assigned to the Federal Catalog?

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