4820-01-441-2144

Find complete technical information, availability, and procurement data for: 4820-01-441-2144
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-441-2144

Item Name Code

20962

Assigment Date

02/06/1997 (29 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

500.0 fahrenheit single response maximum operating temp, 8 all ends bolt hole quantity, strategic sealift conversion ships class end item identification, manual valve operation method, -20.0 fahrenheit minimum operating temp

Product Characteristics

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

Bolt Hole Quantity: 8 all ends
Maximum Operating Temp: 500.0 fahrenheit single response
Minimum Operating Temp: -20.0 fahrenheit
End Item Identification: strategic sealift conversion ships class
Valve Operation Method: manual
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 4.000 inches
Maximum Operating Pressure: 285.0 pounds per square inch single response
Nominal Outside Diameter: 9.000 inches all ends
Face To Face Distance: 9.000 inches
Nominal Thickness: 0.940 inches all ends
Bolt Hole Nominal Diameter: 0.750 inches all ends
Bolt Circle Nominal Diameter: 7.500 inches all ends
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.062 inches all ends
Raised Face Nominal Diameter: 6.190 inches all ends
Material: plastic polytetrafluoroethylene seat
Material: steel uns j03002 body
Material: steel uns j03002 flow control device
Material: steel uns j03002 stem
Material Document And Classification: astm a216, grade wcb assn std single material response body
Material Document And Classification: astm a216, grade wcb assn std single material response flow control device
Material Document And Classification: astm a216, grade wcb assn std single material response stem
Style Designator: straight thru flanged 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
29878 PC-11	Ball Valve
4IN 7150-31-2200TT	Ball Valve
7150-31-2200TT	Ball Valve

FAQs

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

What is the FSCG of the NSN 4820-01-441-2144?

The FSCG of the NSN 4820-01-441-2144 is 4820

Does the NSN 4820-01-441-2144 have a Schedule B code assigned?

Yes, the Schedule B code is 8481803070

Does NSN 4820-01-441-2144 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 4820-01-441-2144 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-441-2144 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 4820-01-441-2144 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Thu, Feb 6, 1997