4820-01-003-1056

Find complete technical information, availability, and procurement data for: 4820-01-003-1056
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-003-1056

Item Name Code

16990

Assigment Date

04/08/1975 (51 years ago)

An item designed to convey information of a specific nature concerning the circuit in which inserted. Consists of two or more light, indicator.

2a 1st end thread class, external seat for gasket seal (boss) 1st end connection style, right-hand 1st end thread direction, stem flow control device, 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.

Thread Class: 2a 1st end
Thread Direction: right-hand 1st end
Flow Control Device: stem
Connection Style: external seat for gasket seal (boss) 1st end
Valve Operation Method: manual
Connection Type: threaded external boss 1st end
Mounting Facility: bulkhead
Nominal Thread Size: 0.375 inches 1st end
Material: steel corrosion resisting overall
Style Designator: angle
Thread Series Designator: unc 1st end
Furnished Items And Quantity: 1 gasket and 1 nut

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-942-1679	No Name Available	10/01/1992

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
2510073	Screw Stem Shutoff Cock
TA320	Screw Stem Shutoff Cock

FAQs

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

What is the FSCG of the NSN 4820-01-003-1056?

The FSCG of the NSN 4820-01-003-1056 is 4820

Does the NSN 4820-01-003-1056 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-003-1056 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 4820-01-003-1056 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-003-1056 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 4820-01-003-1056 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Tue, Apr 8, 1975