TK2823 PART 4810498

View detailed technical data, stock status, and sourcing information for: TK2823 PART 4810498
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-136-7225

Item Name Code

77777

Assigment Date

08/13/1982 (43 years ago)

A corrosion resistant metallic/nonmetallic item fabricated from a single internally cored casting. It is specifically designed to reduce breathing gas velocity while increasing static pressure to effectively defog the viewpoint of a helmet, deep-sea diver's and helmet, deep-sea diver's helium-oxygen

matl aluminum alloy; anodized surface treatment; w/three int thd boss end connections consisting of one 1.438 in.-12 un end and two 0.438 in.-20 unf ends; 3.000 in.0.438 in.-20 unf ends; 3.000 ino/a lg; 2.500 in. o/a w; 2.000 in. o/a h general characteristics item description

Product Characteristics

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

General Characteristics Item Description: matl aluminum alloy; anodized surface treatment; w/three int thd boss end connections consisting of one 1.438 in.-12 un end and two 0.438 in.-20 unf ends; 3.000 in.0.438 in.-20 unf ends; 3.000 ino/a lg; 2.500 in. o/a w; 2.000 in. o/a h

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-140-6146	No Name Available	09/01/2023

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
T10498	Valve Test Fixture
TK2823	Valve Test Fixture
TK2823 PART 4810498	Valve Test Fixture

FAQs

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

What is the FSCG of the NSN 4820-01-136-7225?

The FSCG of the NSN 4820-01-136-7225 is 4820

Does NSN 4820-01-136-7225 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 4820-01-136-7225 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-136-7225 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 4820-01-136-7225 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Fri, Aug 13, 1982