4820-01-440-4021

Find complete technical information, availability, and procurement data for: 4820-01-440-4021
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-440-4021

Item Name Code

05492

Assigment Date

01/13/1997 (29 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

0.250 inches first end nominal pipe size accommodated, identical second end relationship with first end, socket first end style designator, straight thru body style, unthreaded internal pipe first end connection type

Product Characteristics

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

Body Style: straight thru
First End Connection Type: unthreaded internal pipe
First End Style Designator: socket
First End Nominal Pipe Size Accommodated: 0.250 inches
Second End Relationship With First End: identical
Flow Control Device: stem and integral disk
End Connection Quantity: 2
Two-Way Valve Action: direct acting
End Item Identification: 170 ft patrol coastal(pc-1)class ships
Temp Rating: 1200.0 fahrenheit nominal
Special Features: normally closed
Material: steel corrosion resisting body
Material: steel corrosion resisting flow control device
Material: steel corrosion resisting stem

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
SS-8UW-3410	Temperature Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-440-4021?

The FSCG of the NSN 4820-01-440-4021 is 4820

Does the NSN 4820-01-440-4021 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-440-4021 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 4820-01-440-4021 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-440-4021 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 4820-01-440-4021 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Mon, Jan 13, 1997