4720-01-339-2169

Find complete technical information, availability, and procurement data for: 4720-01-339-2169
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-339-2169

Item Name Code

20311

Assigment Date

05/19/1991 (35 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.

right-hand 2nd end thread direction, right-hand 1st end thread direction, round cross-sectional shape style, 3b 1st end thread class, 3a 2nd end thread class

Product Characteristics

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

Cross-Sectional Shape Style: round
Thread Class: 3a 2nd end
Thread Class: 3b 1st end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Inside Diameter: 0.300 inches minimum
Outside Diameter: 1.000 inches nominal
Minimum Inside Bending Radius: 1.000 inches
Connection Style: swivel nut flare 1st end
Connection Style: plain 2nd end
End Connection Design: straight 1st end
End Connection Design: straight 2nd end
Connection Type: threaded external tube 2nd end
Connection Type: threaded internal tube 1st end
Features Provided: internal support
Layer Composition And Location: 1st layer braided polyester cord and outer layer molded plastic
Nominal Thread Size: 0.500 inches 2nd end
Nominal Thread Size: 0.562 inches 1st end
Seat Angle: 37.0 degrees 1st end
Inside Surface Condition: smooth
Measuring Method And Length: 6.880 inches nominal working
Thread Series Designator: unjf 2nd end
Thread Series Designator: unjf 1st end

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
JCM-14170	Nonmetallic Hose Assembly
JCM-14170-003	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-01-339-2169?

The FSCG of the NSN 4720-01-339-2169 is 4720

Does NSN 4720-01-339-2169 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 4720-01-339-2169 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-339-2169 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 4720-01-339-2169 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sun, May 19, 1991