4720-00-422-2657

Find complete technical information, availability, and procurement data for: 4720-00-422-2657
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-422-2657

Item Name Code

17271

Assigment Date

07/30/1970 (55 years ago)

A self-acting valve specifically designed for use in refrigeration systems for continual control of rate of flow of refrigerant. It may be actuated by a thermostatic element or self-actuated.

3.500 inches nominal inside diameter, 5.380 inches nominal outside diameter, 1.000 inches nominal bulge width, 0.210 inches nominal wall thickness, mrap buffalo mk2a2 end item identification

Product Characteristics

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

Wall Thickness: 0.210 inches nominal
Inside Diameter: 3.500 inches nominal
Outside Diameter: 5.380 inches nominal
End Item Identification: mrap buffalo mk2a2
Bulge Width: 1.000 inches nominal
Material: rubber synthetic overall
Style Designator: center hump
Working Length: 5.000 inches nominal

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
3006670	Preformed Hose
44Z97605	Preformed Hose
752835C1	Preformed Hose
P-10-1292	Preformed Hose

FAQs

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

What is the FSCG of the NSN 4720-00-422-2657?

The FSCG of the NSN 4720-00-422-2657 is 4720

Does the NSN 4720-00-422-2657 have a Schedule B code assigned?

Yes, the Schedule B code is 8710000090

Does NSN 4720-00-422-2657 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 4720-00-422-2657 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-422-2657 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 4720-00-422-2657 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Thu, Jul 30, 1970