4820-01-121-6313

Find complete technical information, availability, and procurement data for: 4820-01-121-6313
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4820-01-121-6313 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-121-6313

Item Name Code

05493

Assigment Date

11/06/1981 (44 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

refrigerant 12 media for which designed, threaded external tube first end connection type, 0.500 inches nominal first end outside diameter tube accommodated, flared first end style designator, "angle give "adqm" or "adqn" if flanged one or two ends" body style

Product Characteristics

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

Body Style: "angle give "adqm" or "adqn" if flanged one or two ends"
Media For Which Designed: refrigerant 12
First End Connection Type: threaded external tube
First End Style Designator: flared
First End Outside Diameter Tube Accommodated: 0.500 inches nominal
First End Thread Class: 2a
First End Thread Direction: right-hand
Second End Relationship With First End: not identical
Second End Connection Type: threaded external tube
Second End Style Designator: flared
Second End Outside Diameter Tube Accommodated: 0.250 inches nominal
Second End Thread Class: 2a
Second End Thread Direction: right-hand
First End Seat Angle In Deg: 45.0
Second End Seat Angle In Deg: 45.0
Flow Control Device: diaphragm
End Connection Quantity: 2
Bulb Length: 3.000 inches nominal
Bulb Diameter: 0.500 inches nominal
Valve Expansion Control Type: thermostatic
Valve Evaporator Temp Range Designation: high
Valve Pressure Limiting Device: not included
Valve Equalizer Location: internal
Refrigeration Capacity In Btu Per Hour: 6.0
Material: copper alloy body
Material: nickel alloy seat
Material: steel corrosion resisting flow control device

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
N1F1-2Z	Expansion Valve
NIF-1/2-Z	Expansion Valve

FAQs

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

What is the FSCG of the NSN 4820-01-121-6313?

The FSCG of the NSN 4820-01-121-6313 is 4820

Does the NSN 4820-01-121-6313 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-121-6313 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 4820-01-121-6313 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-121-6313 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 4820-01-121-6313 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Fri, Nov 6, 1981