4820-00-956-8896

Find complete technical information, availability, and procurement data for: 4820-00-956-8896
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-956-8896

Item Name Code

35224

Assigment Date

01/01/1962 (64 years ago)

An item that detects a change in the level of liquid nitrogen, hydrogen, or other media used in a cryogenic container.

0.156 inches nominal seat radius, 0.312 inches nominal outside diameter, 0.312 inches nominal thread size, 0.656 inches nominal overall height, 2a thread class

Product Characteristics

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

Thread Class: 2a
Outside Diameter: 0.312 inches nominal
Overall Height: 0.656 inches nominal
Seat Radius: 0.156 inches nominal
Nominal Thread Size: 0.312 inches
Seat Angle: 30.0 degrees nominal
Material: steel corrosion resisting
Style Designator: plug
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-393-4277	No Name Available	07/05/1967

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
20519-1	Valve Disk
H4820-956-8896	Valve Disk
N935 SHEET 1 PI	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-00-956-8896?

The FSCG of the NSN 4820-00-956-8896 is 4820

Does the NSN 4820-00-956-8896 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-956-8896 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 4820-00-956-8896 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-956-8896 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 4820-00-956-8896 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962