AA-1/2MC

View detailed technical data, stock status, and sourcing information for: AA-1/2MC
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-455-6941

Item Name Code

05493

Assigment Date

05/12/1998 (28 years ago)

A cylindrically-shaped headless item, having a shank at one or both ends. It is used for aligning, fastening, or transfer of torque and/or thrust by fitting into corresponding holes of another item. It may be threaded on one end.

butt weld tube first end connection type, identical second end relationship with first end, "angle give "adqn" if flanged ends" body style, 0.250 inches nominal first end outside diameter tube accommodated, beveled first end style designator

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 "adqn" if flanged ends"
First End Connection Type: butt weld tube
First End Style Designator: beveled
First End Outside Diameter Tube Accommodated: 0.250 inches nominal
Second End Relationship With First End: identical
Second Connection Face To Centerline Distance: 0.750 inches nominal
Flow Control Device: stem and integral disk
End Connection Quantity: 2
Valve Expansion Control Type: thermostatic
Valve Evaporator Temp Range Designation: low
Valve Pressure Limiting Device: not included
Valve Equalizer Location: internal
End Item Identification: ticonderoga class cg (47)
Material: copper alloy body

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
AA-1/2MC	Expansion Valve

FAQs

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

What is the FSCG of the NSN 4820-01-455-6941?

The FSCG of the NSN 4820-01-455-6941 is 4820

Does the NSN 4820-01-455-6941 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-455-6941 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 4820-01-455-6941 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-455-6941 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 4820-01-455-6941 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Tue, May 12, 1998