4730-01-256-3735

Find complete technical information, availability, and procurement data for: 4730-01-256-3735
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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

4730-01-256-3735

Item Name Code

18018

Assigment Date

06/04/1987 (39 years ago)

A multipiece gasket sealed item specifically designed for joining plain end ferruled tubing or beaded end tubing that will accommodate angular misalignment, axial motion and permits expansion and contraction of the tubing. It may be disconnected for seal replacement without disturbing the rest of the line. The seals are not normally furnished with the item. For rigid type items see coupling, tube; and union, tube.

90.0 chamfer angle in deg, hexagon wrenching facility shape, 0.750 inches nominal diameter, 1.125 inches nominal overall length, 0.187 inches nominal thickness

Product Characteristics

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

Chamfer Angle In Deg: 90.0
Overall Length: 1.125 inches nominal
Diameter: 0.750 inches nominal
Thickness: 0.187 inches nominal
Wrenching Facility Shape: hexagon
Width Across Flats: 1.500 inches nominal
Male End Thread Class: 2a
Female End Thread Class: 2b
Female End Characteristic: countersunk
Counterbore/Countersink Location: both ends
Male End Thread Size: 1-3/8-12
Male End Screw Thread Series Designator: unf
Male End Thread Direction: right-hand
Male End Thread Length: 0.813 inches nominal
Female End Thread Size: 3/4-7
Female End Screw Thread Series Designator: acme
Female End Thread Direction: right-hand
Female End Thread Length: 1.125 inches nominal
Material: copper alloy

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5365-01-072-1200	No Name Available	07/01/1994

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
2177525	Adapter Bushing
2177525-X7XX-93	Adapter Bushing
3160976364	Adapter Bushing

FAQs

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

What is the FSCG of the NSN 4730-01-256-3735?

The FSCG of the NSN 4730-01-256-3735 is 4730

Does the NSN 4730-01-256-3735 have a Schedule B code assigned?

Yes, the Schedule B code is 7412200000

Does NSN 4730-01-256-3735 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 4730-01-256-3735 contain precious materials?

Precious metal content is unknown

Does NSN 4730-01-256-3735 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 4730-01-256-3735 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Jun 4, 1987