4820-01-421-0138

Find complete technical information, availability, and procurement data for: 4820-01-421-0138
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-421-0138

Item Name Code

05485

Assigment Date

10/30/1995 (30 years ago)

A device capable of producing heat from gas, liquid fuel, or an electrical heating element designed for permanent installation in sheet metal ducts of a forced air circulating system. It consists of (1) a finned, steel burner tube, a combustion air blower, a control panel, and a constant level fuel supply system or (2) a device having a heating element which when connected to an electrical source, directly imparts heat. It may be provided with a flanged outer casing to facilitate mounting in planned or existing duct work. Circulation of the heated air is achieved by use of a blower or fan not integral with the heating unit.

disk flow control device, 0.250 inches all ends nominal pipe size accommodated, strategic sealift conversion ships class end item identification, outside screw-yoke bonnet type, bolted bonnet attachment method

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.250 inches all ends
Flow Control Device: disk
Bonnet Type: outside screw-yoke
Bonnet Attachment Method: bolted
End Item Identification: strategic sealift conversion ships class
Connection Style: socket all ends
Valve Operation Method: manual
Connection Type: unthreaded internal pipe all ends
Material: graphite packing
Material: steel body
Material: steel comp 420 flow control device
Material: steel comp 410 stem
Material: steel seat
Style Designator: straight thru
Furnished Items And Quantity: 1 handwheel

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
BONNEY FG HL-31SW 0.25IN	Globe Valve
HL-31SW 0.25IN	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-421-0138?

The FSCG of the NSN 4820-01-421-0138 is 4820

Does the NSN 4820-01-421-0138 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803060

Does NSN 4820-01-421-0138 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 4820-01-421-0138 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-421-0138 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 4820-01-421-0138 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Mon, Oct 30, 1995