4820-01-631-2839

Find complete technical information, availability, and procurement data for: 4820-01-631-2839
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-631-2839

Item Name Code

05487

Assigment Date

09/08/2014 (11 years ago)

A cylindrical item which may have wrenching and/or driving facilities and/or shoulders. It is designed to be inserted in a drilled, tapped or a pretapped hole, or molded or pressed into soft material to reduce the size of a tapped hole; to provide threads; to add strength, and/or to prevent stripping. It is one of the following: (1) a one-piece, flanged or unflanged, internally threaded item which may have external threads, and/or serrations around the periphery of the collar, designed to engage a serrated lock ring which is not included with the item; (2) a one-piece precision coiled wire; (3) a two-piece item consisting of an internally threaded cylinder and a mating externally threaded part; or (4) a one-piece internally threaded item whose outside diameter is tapered and/or knurled and/or with fin(s). The internal thread of the item may have a locking feature. Excludes:items having a sleeve on on its under portion which can be clinched or crimped. Excludes:bushing,machine thread; nut,plain,knurled; nut,plain,round; nut,plain,clinch and nut,self-locking,clinch. See also nut,plain,plate

2b all ends thread class, 40.0 fahrenheit minimum operating temp, 250.0 fahrenheit single response maximum operating temp, right-hand all ends thread direction, piston flow control device

Product Characteristics

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

Thread Class: 2b all ends
Thread Direction: right-hand all ends
Flow Control Device: piston
Maximum Operating Temp: 250.0 fahrenheit single response
Minimum Operating Temp: 40.0 fahrenheit
Connection Style: flare (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded internal tube all ends
Mounting Facility: threaded fastener
Mounting Position: horizontal
Thread Quantity Per Inch: 12 all ends
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 1.625 inches all ends
Opening Pressure Setting: 5.0 pounds per square inch
Nominal Outside Diameter Tube Accommodated: 1.250 inches all ends
Part Name Assigned By Controlling Agency: valve,check,series c
Special Features: basic shape is square bar,6.5 inch long x 2.75 inch square; max flow of item is 284 lpm
Material: steel body
Material: steel corrosion resisting flow control device
Media For Which Designed: oil, hydraulic single response
Style Designator: straight thru
Thread Series Designator: un all 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
C2020-S	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-631-2839?

The FSCG of the NSN 4820-01-631-2839 is 4820

Does the NSN 4820-01-631-2839 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-631-2839 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 4820-01-631-2839 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-631-2839 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 4820-01-631-2839 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Mon, Sep 8, 2014