4820-01-323-7697

Find complete technical information, availability, and procurement data for: 4820-01-323-7697
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-323-7697

Item Name Code

35224

Assigment Date

08/05/1990 (36 years ago)

An item constructed of one or more layers of thin flexible material, either laminated or separated, designed to form a tight seal between the chambers of a valve, and to transmit pressure inducted motion to a valve disk either directly or through a mechanical linkage. The surface of the item must be formed or molded to have a beaded or rolled edge, ribs or any other raised surfaces. The item may contain bolt holes and/or center holes. Excludes:diaphra gm, valve, flat and gasket.

775.0 fahrenheit nominal temp rating, 150.0 pounds per square inch nominal pressure rating, +1.5390 to 1.6320 inches thread pitch diameters, 3.938 inches nominal outside diameter, 5.438 inches nominal overall height

Product Characteristics

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

Thread Pitch Diameters: +1.5390 to 1.6320 inches
Outside Diameter: 3.938 inches nominal
Overall Height: 5.438 inches nominal
Temp Rating: 775.0 fahrenheit nominal
Pressure Rating: 150.0 pounds per square inch nominal
Thread Quantity Per Inch: 11-1/2
Nominal Thread Size: 1.625 inches
Seat Angle: 15.0 degrees nominal
Special Features: astm a216 gr wcb
Material: nickel alloy
Style Designator: plug
Thread Series Designator: uns

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
32813 143XR PC 4A 4.00IN	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-01-323-7697?

The FSCG of the NSN 4820-01-323-7697 is 4820

Does the NSN 4820-01-323-7697 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-323-7697 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 4820-01-323-7697 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-323-7697 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 4820-01-323-7697 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Sun, Aug 5, 1990