4720-01-275-2443

Find complete technical information, availability, and procurement data for: 4720-01-275-2443
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-275-2443

Item Name Code

20311

Assigment Date

03/19/1988 (38 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.

round cross-sectional shape style, 0.250 inches nominal inside diameter, 3b 1st end thread class, right-hand 1st end thread direction, -40.0 fahrenheit and 300.0 fahrenheit single response temp rating

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: 3b 1st end
Thread Direction: right-hand 1st end
Inside Diameter: 0.250 inches nominal
Temp Rating: -40.0 fahrenheit and 300.0 fahrenheit single response
Outside Diameter: 0.550 inches nominal
Minimum Inside Bending Radius: 1.000 inches
Exterior Color: black
Connection Style: swivel nut flare 1st end
End Connection Design: straight 1st end
Connection Type: threaded internal tube 1st end
Burst Test Pressure: 6000.0 pounds per square inch
Layer Composition And Location: 1st layer braided textile yarn and 2nd layer braided steel wire and outer layer rubber impregnated braided polyamide cord
Maximum Operating Pressure: 1500.0 pounds per square inch
Nominal Thread Size: 0.500 inches 1st end
Seat Angle: 45.0 degrees 1st end
Inside Surface Condition: smooth
Measuring Method And Length: 12.000 inches nominal overall
Media For Which Designed: fuel/oil, hydrocarbon single response
Thread Series Designator: unf 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
2130808-5-5-5-12.00	Nonmetallic Hose Assembly
213R5ASN5ASN5-12	Nonmetallic Hose Assembly
67-6629	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-01-275-2443?

The FSCG of the NSN 4720-01-275-2443 is 4720

Does NSN 4720-01-275-2443 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 4720-01-275-2443 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-275-2443 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 4720-01-275-2443 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sat, Mar 19, 1988