4730-01-087-4539

Find complete technical information, availability, and procurement data for: 4730-01-087-4539
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4730 Hose, Pipe, Tube, Lubrication and Railing Fittings

National Stock Number

4730-01-087-4539

Item Name Code

22679

Assigment Date

12/18/1979 (46 years ago)

A straight, one-piece fitting used to join two bosses or boss fittings. Both ends are the same size and have external machine threads (straignt threads other than pipe or hose series). It is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. The center section may be suitably shaped to accommodate a wrench.

2a all ends thread class, 0.891 inches nominal 1st end leg length, flared (tube) 1st end connection style, 1.031 inches nominal 2nd end leg length, external seat for gasket seal (boss) 2nd 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.

Thread Class: 2a all ends
Connection Style: external seat for gasket seal (boss) 2nd end
Connection Style: flared (tube) 1st end
Leg Length: 0.891 inches nominal 1st end
Leg Length: 1.031 inches nominal 2nd end
Connection Type: threaded external boss 2nd end
Connection Type: threaded external tube 1st end
Nominal Thread Size: 0.438 inches all ends
Seat Angle: 37.0 degrees 1st end
Flow Angle: 90.0 degrees
Nominal Outside Diameter Tube Accommodated: 0.250 inches 1st end
Material: copper alloy overall
Surface Treatment: zinc overall
Thread Series Designator: unf all ends
Furnished Items And Quantity: 1 tube coupling nut w/sleeve and 1 preformed packing
Specification/Standard Data: 81343-j514 professional/industrial association standard
Nondefinitive Spec/Std Data: 10a figure

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
4-4-070220BA	Tube to Boss Elbow
4C5BX-B	Tube to Boss Elbow

FAQs

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

What is the FSCG of the NSN 4730-01-087-4539?

The FSCG of the NSN 4730-01-087-4539 is 4730

Does the NSN 4730-01-087-4539 have a Schedule B code assigned?

Yes, the Schedule B code is 7412200000

Does NSN 4730-01-087-4539 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 4730-01-087-4539 contain precious materials?

Precious metal content is unknown

Does NSN 4730-01-087-4539 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 4730-01-087-4539 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Tue, Dec 18, 1979