A421ADH2

View detailed technical data, stock status, and sourcing information for: A421ADH2
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4710 Tube and Rigid Tubing Pipe

National Stock Number

4710-00-654-9021

Item Name Code

21989

Assigment Date

01/01/1963 (63 years ago)

2b all ends thread class, right-hand all ends thread direction, 0.083 inches nominal wall thickness, 1 second end mating end quantity, 1 first end mating end quantity

Product Characteristics

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

Wall Thickness: 0.083 inches nominal
Thread Class: 2b all ends
Thread Direction: right-hand all ends
Mating End Quantity: 1 second end
Mating End Quantity: 1 first end
Tubing Material: unable to decode
End Connection Style: swivel nut with compression sleeve second end
End Connection Style: swivel nut, inverted flare first end
Seat Angle In Deg: 12.0 second end
Seat Angle In Deg: 30.0 first end
Design Form: prebent
Tube Outside Diameter: 0.250 inches nominal
Nominal Thread Size: 0.500 inches first end
Nominal Thread Size: 0.625 inches second end
Material: unable to decode
Thread Series Designator: un second end
Thread Series Designator: unf first 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
16100411	Metal Tube Assembly
421ADHCC	Metal Tube Assembly
A421ADH2	Metal Tube Assembly

FAQs

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

What is the FSCG of the NSN 4710-00-654-9021?

The FSCG of the NSN 4710-00-654-9021 is 4710

Does the NSN 4710-00-654-9021 have a Schedule B code assigned?

Yes, the Schedule B code is 8302494500

Does NSN 4710-00-654-9021 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 4710-00-654-9021 contain precious materials?

Precious metal content is unknown

Does NSN 4710-00-654-9021 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 4710-00-654-9021 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963