4730-01-397-4921

Find complete technical information, availability, and procurement data for: 4730-01-397-4921
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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

4730-01-397-4921

Item Name Code

08505

Assigment Date

10/12/1994 (31 years ago)

A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends with threads of the same nominal diameter. The maximum diameter of the unthreaded portion must not be greater than the nominal thread diameter plus 0.020 inches (0.508 mm). The unthreaded portion must be without locking or wrenching provisions. It may be thread relieved. See also rod, threaded end and rod, continuous thread.

concentric reducer type, 1.000 inches 2nd end nominal pipe size accommodated, 4.000 inches 1st end nominal pipe size accommodated, plain (pipe) 1st end connection style, plain (pipe) 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.

Nominal Pipe Size Accommodated: 1.000 inches 2nd end
Nominal Pipe Size Accommodated: 4.000 inches 1st end
Reducer Type: concentric
Connection Style: plain (pipe) 1st end
Connection Style: plain (pipe) 2nd end
Connection Type: unthreaded external pipe 1st end
Connection Type: unthreaded external pipe 2nd end
Nominal Overall Length: 2.000 inches
Special Features: center bead 0.250 inch; low pressure coupling
Material: steel overall
Surface Treatment: zinc overall

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
SRLC-1-4	Pipe Reducer

FAQs

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

What is the FSCG of the NSN 4730-01-397-4921?

The FSCG of the NSN 4730-01-397-4921 is 4730

Does the NSN 4730-01-397-4921 have a Schedule B code assigned?

Yes, the Schedule B code is 7307992000

Does NSN 4730-01-397-4921 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 4730-01-397-4921 contain precious materials?

Item does not contain precious metal.

Does NSN 4730-01-397-4921 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 4730-01-397-4921 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Oct 12, 1994