4820-01-451-9864

Find complete technical information, availability, and procurement data for: 4820-01-451-9864
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-451-9864

Item Name Code

37428

Assigment Date

01/12/1998 (28 years ago)

An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes:straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.

90800 end item source, matched orifice plates 13, diaphragms 13, packing,preformed 4, diaphragm retainer 1 nonsupply items and quantities, 31 component quantity, 1683-b end item identification, valve end item name

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: 1683-b
Component Quantity: 31
Nonsupply Items And Quantities: matched orifice plates 13, diaphragms 13, packing,preformed 4, diaphragm retainer 1
End Item Source: 90800
End Item Name: valve
Special Features: for calibrated flow valve, sz 1.500 in., 54gpm

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
5866-22SK	Valve Parts Kit

FAQs

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

What is the FSCG of the NSN 4820-01-451-9864?

The FSCG of the NSN 4820-01-451-9864 is 4820

Does the NSN 4820-01-451-9864 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-451-9864 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 4820-01-451-9864 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-451-9864 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 4820-01-451-9864 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Mon, Jan 12, 1998