4820-01-018-4721

Find complete technical information, availability, and procurement data for: 4820-01-018-4721
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-018-4721

Item Name Code

77777

Assigment Date

03/29/1976 (50 years ago)

An item made of material having elastic properties. It may have rigid mounting facilities such as a flange(s), sleeve(s), stud(s) or the like. It is designed to isolate or dampen shock and/or vibration of a continuous or intermittent origin and serve as a support for a weapon system component to be isolated. Excludes:mount, resilient, utility; spring (as modified); bumper, nonmetallic; bumper, rubber; bushing, nonmetallic; hydraulic and pneumatic shock absorbers, dash-pots, grommets, and shock pads.

consists of 1 ea venturi bronze valve; 1 ea bronze union,3/8 in.; 1 ea tube,70-30 cu-ni,0.675 in. od,0.065 in. wall thk,1.120 in. lg; 1 ea brass nameplate-buships; 2 ea sst screw,drive,0 x 3/16 in.; 8.000 in. o/a lg,2.000 in. dia tapered to 0.664 in. throat dia; flanged both end,0.470 in. max flange thk,6 bolt holes 0.562 in. dia equally spaced on a 4.438 in. bolt circle dia both ends 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.

General Characteristics Item Description: consists of 1 ea venturi bronze valve; 1 ea bronze union,3/8 in.; 1 ea tube,70-30 cu-ni,0.675 in. od,0.065 in. wall thk,1.120 in. lg; 1 ea brass nameplate-buships; 2 ea sst screw,drive,0 x 3/16 in.; 8.000 in. o/a lg,2.000 in. dia tapered to 0.664 in. throat dia; flanged both end,0.470 in. max flange thk,6 bolt holes 0.562 in. dia equally spaced on a 4.438 in. bolt circle dia both 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
85572G	Venturi Valve

FAQs

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

What is the FSCG of the NSN 4820-01-018-4721?

The FSCG of the NSN 4820-01-018-4721 is 4820

Does the NSN 4820-01-018-4721 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-018-4721 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 4820-01-018-4721 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-018-4721 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 4820-01-018-4721 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Mon, Mar 29, 1976