4820-01-539-3993

Find complete technical information, availability, and procurement data for: 4820-01-539-3993
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-539-3993

Item Name Code

05485

Assigment Date

04/20/2006 (20 years ago)

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

250.0 fahrenheit single response maximum operating temp, needle flow control device, new construction lcs1 end item identification, right-hand all ends thread direction, -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.

Thread Direction: right-hand all ends
Flow Control Device: needle
Maximum Operating Temp: 250.0 fahrenheit single response
Minimum Operating Temp: -20.0 fahrenheit
End Item Identification: new construction lcs1
Valve Operation Method: manual
Connection Type: threaded internal pipe all ends
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Part Name Assigned By Controlling Agency: 1/2 inch forged, globe pattern, needle valve
Material: copper alloy body
Material: steel comp 316 stem
Media For Which Designed: air single response
Style Designator: straight thru
Thread Series Designator: npt all ends
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
3912F ASSY 3912F8B	Globe Valve
3912F8B	Globe Valve

FAQs

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

What is the FSCG of the NSN 4820-01-539-3993?

The FSCG of the NSN 4820-01-539-3993 is 4820

Does NSN 4820-01-539-3993 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 4820-01-539-3993 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-539-3993 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 4820-01-539-3993 was assigned to the Federal Catalog?

It was assigned 20 years ago, on Thu, Apr 20, 2006