803-4384536-35B-86

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-506-1977

Item Name Code

22113

Assigment Date

03/25/2003 (23 years ago)

1/2 inch in-line needle valve end item identification, 0.5313 inches nominal taper major diameter, 0.4375 inches nominal taper minor diameter, 15.000 nominal seat angle in deg, 0.2656 inches nominal seat radius

Product Characteristics

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

Taper Minor Diameter: 0.4375 inches nominal
Taper Major Diameter: 0.5313 inches nominal
End Item Identification: 1/2 inch in-line needle valve
Seat Radius: 0.2656 inches nominal
Seat Angle In Deg: 15.000 nominal
Seating Surface Shape: angular
Part Name Assigned By Controlling Agency: name assigned by controlling agency is seat ring (needle)
Material: nickel alloy seat
Material Document And Classification: astm b164 assn std single material response or astm a494 gr. -30c assn std single material response seat

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
803-4384536-35B-86	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-506-1977?

The FSCG of the NSN 4820-01-506-1977 is 4820

Does the NSN 4820-01-506-1977 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-506-1977 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 4820-01-506-1977 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-506-1977 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 4820-01-506-1977 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Tue, Mar 25, 2003