4720-01-159-8958

Find complete technical information, availability, and procurement data for: 4720-01-159-8958
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-159-8958

Item Name Code

20311

Assigment Date

08/14/1983 (42 years ago)

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes:packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

38.000 inches nominal working measuring method and length, smooth inside surface condition

Product Characteristics

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

Inside Surface Condition: smooth
Measuring Method And Length: 38.000 inches nominal working

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
99-607-6586	Nonmetallic Hose Assembly
SA7670405-001	Nonmetallic Hose Assembly
SCD4055	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-01-159-8958?

The FSCG of the NSN 4720-01-159-8958 is 4720

Does NSN 4720-01-159-8958 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 4720-01-159-8958 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-159-8958 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 4720-01-159-8958 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Sun, Aug 14, 1983