4820-01-254-7438

Find complete technical information, availability, and procurement data for: 4820-01-254-7438
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-254-7438

Item Name Code

77777

Assigment Date

05/09/1987 (39 years ago)

A bonded synthetic rubber item used as a water lubricated bearing in stern-tubes or struts for supporting a rotating propulsion shaft for waterccraft.

gulf atlantic 24 in. swing check valve end item identification, bronze retainer,25.500 in. od,0.125 in. thk; iron disk,150 psi pressure rating general characteristics item description

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

End Item Identification: gulf atlantic 24 in. swing check valve
General Characteristics Item Description: bronze retainer,25.500 in. od,0.125 in. thk; iron disk,150 psi pressure rating

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
N22465B-7 AND 8	Retainer and Disk Assembly

FAQs

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

What is the FSCG of the NSN 4820-01-254-7438?

The FSCG of the NSN 4820-01-254-7438 is 4820

Does the NSN 4820-01-254-7438 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-254-7438 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 4820-01-254-7438 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-254-7438 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 4820-01-254-7438 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sat, May 9, 1987