4710-00-421-6728

Find complete technical information, availability, and procurement data for: 4710-00-421-6728
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4710 Tube and Rigid Tubing Pipe

National Stock Number

4710-00-421-6728

Item Name Code

21989

Assigment Date

12/18/1970 (55 years ago)

A length of tubing, straight, or prebent to a predetermined angle, with added component(s) that forms an end connection on one or both ends. For flexible tube assemblies, see hose assembly (as modified). For items having perforations in the tubing or attachments, see tube assembly, fire extinguishing system. Excludes:items having integral preformed or plain ends, tube, bent (as modified), and items which are branched or forked.

right-hand single end thread direction, 3b single end thread class, 2 single end mating end quantity, unable to decode tubing material, 0.020 inches nominal wall thickness

Product Characteristics

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

Wall Thickness: 0.020 inches nominal
Thread Class: 3b single end
Thread Direction: right-hand single end
Mating End Quantity: 2 single end
Tubing Material: unable to decode
End Connection Style: swivel nut, flared single end
Seat Angle In Deg: 33.0 single end
Design Form: prebent
Tube Outside Diameter: 0.250 inches nominal
End Connection Spec/Std: an,an818,an818-4,industrial,7ms1,7m51-4
Nominal Thread Size: 0.438 inches single end
Material: unable to decode
Thread Series Designator: unf single end

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
32-69550-601	Metal Tube Assembly

FAQs

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

What is the FSCG of the NSN 4710-00-421-6728?

The FSCG of the NSN 4710-00-421-6728 is 4710

Does the NSN 4710-00-421-6728 have a Schedule B code assigned?

Yes, the Schedule B code is 8302494500

Does NSN 4710-00-421-6728 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 4710-00-421-6728 contain precious materials?

Item does not contain precious metal.

Does NSN 4710-00-421-6728 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 4710-00-421-6728 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Dec 18, 1970