4820-01-680-5731

Find complete technical information, availability, and procurement data for: 4820-01-680-5731
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-680-5731

Item Name Code

61929

Assigment Date

05/10/2019 (7 years ago)

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

semi-restrictive counterbalance valve part name assigned by controlling agency, 10.0 gallons per minute valve discharge flow rate, steel body material, seal material buna-n, control standard screw adjustment, adjustment screw internal hex size 5/32 in., functional setting range 1000 - 2500 psi w/4 psi check, maximum recommended load pressure at maximum setting 3850 psi, cavity t-11a, pilot ratio 4.5:1, maximum valve leakage at reseat 5 drops/min., valve hex size 7/8 in., locknut hex size 9/16 in., 3-port non-vented, 2000 psi (140 bar) standard setting special features

Product Characteristics

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

Valve Discharge Flow Rate: 10.0 gallons per minute
Body Material: steel
Part Name Assigned By Controlling Agency: semi-restrictive counterbalance valve
Special Features: seal material buna-n, control standard screw adjustment, adjustment screw internal hex size 5/32 in., functional setting range 1000 - 2500 psi w/4 psi check, maximum recommended load pressure at maximum setting 3850 psi, cavity t-11a, pilot ratio 4.5:1, maximum valve leakage at reseat 5 drops/min., valve hex size 7/8 in., locknut hex size 9/16 in., 3-port non-vented, 2000 psi (140 bar) standard setting

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
A231005000043	Directional Control Linear Valve
CBBDLDN/LH	Directional Control Linear Valve

FAQs

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

What is the FSCG of the NSN 4820-01-680-5731?

The FSCG of the NSN 4820-01-680-5731 is 4820

Does the NSN 4820-01-680-5731 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-680-5731 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 4820-01-680-5731 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-680-5731 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 4820-01-680-5731 was assigned to the Federal Catalog?

It was assigned 7 years ago, on Fri, May 10, 2019