A51H20249-9

View detailed technical data, stock status, and sourcing information for: A51H20249-9
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4710 Tube and Rigid Tubing Pipe

National Stock Number

4710-00-003-8954

Item Name Code

21989

Assigment Date

05/27/1972 (54 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.

3b first end thread class, 3b second end thread class, right-hand first end thread direction, right-hand second end thread direction, 0.028 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: 0.028 inches nominal
Thread Class: 3b first end
Thread Class: 3b second end
Thread Direction: right-hand first end
Thread Direction: right-hand second end
Mating End Quantity: 1 second end
Mating End Quantity: 1 first end
Tubing Material: unable to decode
End Connection Style: swivel nut, flared first end
End Connection Style: swivel nut, flared second end
Seat Angle In Deg: 37.0 first end
Seat Angle In Deg: 37.0 second end
Design Form: prebent
Tube Outside Diameter: 0.250 inches nominal
End Connection Spec/Std: grumman aerospace corp,part no. gf503bk0604w,grumman aerospace corp,part no. gf503bh4w
Nominal Thread Size: 0.438 inches second end
Nominal Thread Size: 0.562 inches first end
Special Features: threaded internal tube type end connections
Material: unable to decode
Thread Series Designator: unjf first end
Thread Series Designator: unjf second 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
A51H20249	Metal Tube Assembly
A51H20249-9	Metal Tube Assembly

FAQs

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

What is the FSCG of the NSN 4710-00-003-8954?

The FSCG of the NSN 4710-00-003-8954 is 4710

Does the NSN 4710-00-003-8954 have a Schedule B code assigned?

Yes, the Schedule B code is 8108908000

Does NSN 4710-00-003-8954 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 4710-00-003-8954 contain precious materials?

Item does not contain precious metal.

Does NSN 4710-00-003-8954 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 4710-00-003-8954 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sat, May 27, 1972