4730-00-143-4305

Find complete technical information, availability, and procurement data for: 4730-00-143-4305
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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

4730-00-143-4305

Item Name Code

18028

Assigment Date

01/10/1973 (53 years ago)

An item having internal and/or external machine thread(s) (threads other than pipe or hose series), specifically designed to retain, by means or groove(s), shoulder(s), and the like, packing and/or a packing gland within a stuffing box. See also bushing, machine thread; inverted nut, tube coupling; and nut, tube coupling. Excludes:packing nut, stuffing tube; and use with electrical cable, and locknut, pipe.

0.333 inches nominal thread length, not casehardened casehardening indicator, right-hand thread direction, 0.816 inches nominal overall length, 2a thread class

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
Thread Direction: right-hand
Thread Length: 0.333 inches nominal
Casehardening Indicator: not casehardened
Overall Length: 0.816 inches nominal
Thread Size: 9/16-18
Largest Inside Diameter: 0.385 inches nominal
Screw Thread Series Designator: unf
Width Across Flats: 0.625 inches nominal
Screw Thread Location: external
Length To Shoulder: 0.385 inches nominal
Smallest Inside Diameter: 0.268 inches nominal
Material: steel
Style Designator: hexagon, external thread, internal shoul der

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
60-2HM4	Packing Nut

FAQs

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

What is the FSCG of the NSN 4730-00-143-4305?

The FSCG of the NSN 4730-00-143-4305 is 4730

Does the NSN 4730-00-143-4305 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 4730-00-143-4305 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 4730-00-143-4305 contain precious materials?

Precious metal content is unknown

Does NSN 4730-00-143-4305 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 4730-00-143-4305 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Wed, Jan 10, 1973