4820-01-129-7736

Find complete technical information, availability, and procurement data for: 4820-01-129-7736
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-129-7736

Item Name Code

22113

Assigment Date

04/10/1982 (44 years ago)

3a single threaded portion thread class, 4.500 inches nominal body outside diameter, 4.000 inches nominal body inside diameter, 0.563 inches nominal single threaded portion thread length, 4.813 inches nominal flange diameter

Product Characteristics

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

Thread Class: 3a single threaded portion
Thread Length: 0.563 inches nominal single threaded portion
Flange Diameter: 4.813 inches nominal
Body Outside Diameter: 4.500 inches nominal
Body Inside Diameter: 4.000 inches nominal
Flange Seat To Disk End Height: 0.688 inches nominal
Under Flange Height: 0.687 inches nominal
Thread Quantity Per Inch: 12 single threaded portion
Nominal Thread Size: 4.500 inches single threaded portion
Seating Surface Shape: flat
Material: nickel alloy overall
Material Document And Classification: ast-494 assn std single material response seat
Style Designator: threaded flanged
Thread Series Designator: un single threaded portion

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-156-0057	No Name Available	02/01/1990

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
803-1385623-041-04	Valve Seat
803-1385623-041-43	Valve Seat
803-1385623-041X-68	Valve Seat
810-1385623	Valve Seat
810-1385623-041-4	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-129-7736?

The FSCG of the NSN 4820-01-129-7736 is 4820

Does the NSN 4820-01-129-7736 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-129-7736 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 4820-01-129-7736 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-129-7736 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 4820-01-129-7736 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sat, Apr 10, 1982