2620-902ASSYAA3-4IN

View detailed technical data, stock status, and sourcing information for: 2620-902ASSYAA3-4IN
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-943-7274

Item Name Code

05482

Assigment Date

02/14/1966 (60 years ago)

A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.

threaded bonnet attachment method, socket, weld, pipe connection type, inside screw bonnet type, 0.750 inches nominal pipe size accommodated, manual valve operation method

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.750 inches
Bonnet Type: inside screw
Bonnet Attachment Method: threaded
Valve Operation Method: manual
Connection Type: socket, weld, pipe
Valve Size: 0.750 inches
Maximum Operating Pressure And Media For Which Designed: 700.0 pounds per square inch water-oil-gas
Stem Type: rising
Criticality Code Justification: zzzy
Inlet Relationship With Outlet: identical
Material: copper alloy body
Material: nickel alloy disk
Material: nickel alloy seat
Material: nickel alloy stem
Reference Number Differentiating Characteristics: quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-082-6050	No Name Available	03/27/1970
4820-01-056-1708	No Name Available	03/01/2014

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
2620-902ASSYAA3-4IN	Gate Valve
2620-902ASSYAA3-4INL1	Gate Valve
2620-902ASSYAAPC7A3-4IN	Gate Valve
2620-902ASSYAAPC7A3-4INL1	Gate Valve
2621-902ASSYIA3-4IN	Gate Valve
2621-902ASSYIA3-4INL1	Gate Valve
845-1889587ASSYAA3-4IN	Gate Valve
845-1889587ASSYAA3-4INL1	Gate Valve
C-55315 3/4 INCHL1	Gate Valve
SS845-1889587ASSYAAPC7A3-4INL1	Gate Valve

FAQs

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

What is the FSCG of the NSN 4820-00-943-7274?

The FSCG of the NSN 4820-00-943-7274 is 4820

Does NSN 4820-00-943-7274 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-00-943-7274 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-943-7274 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 4820-00-943-7274 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Mon, Feb 14, 1966