639-57

View detailed technical data, stock status, and sourcing information for: 639-57
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4710 Tube and Rigid Tubing Pipe

National Stock Number

4710-00-942-5403

Item Name Code

21989

Assigment Date

12/12/1965 (60 years ago)

unable to decode tubing material, 0.028 inches nominal wall thickness, 2 single end mating end quantity, prebent design form, plain single end end connection style

Product Characteristics

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

Wall Thickness: 0.028 inches nominal
Mating End Quantity: 2 single end
Tubing Material: unable to decode
End Connection Style: plain single end
Design Form: prebent
Tube Outside Diameter: 0.250 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
639-57	Metal Tube Assembly

FAQs

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

What is the FSCG of the NSN 4710-00-942-5403?

The FSCG of the NSN 4710-00-942-5403 is 4710

Does the NSN 4710-00-942-5403 have a Schedule B code assigned?

Yes, the Schedule B code is 8302494500

Does NSN 4710-00-942-5403 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 4710-00-942-5403 contain precious materials?

Precious metal content is unknown

Does NSN 4710-00-942-5403 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 4710-00-942-5403 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Sun, Dec 12, 1965