4720-00-299-0821

Find complete technical information, availability, and procurement data for: 4720-00-299-0821
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-299-0821

Item Name Code

20311

Assigment Date

01/11/1968 (58 years ago)

A collection of various o-rings, seals, sleeves, wear rings and gaskets to repair actuating cylinders. May include cylinder and mounting hardware.

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

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: 1a 2nd end
Thread Class: 2a 1st end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Inside Diameter: 0.625 inches nominal
Temp Rating: -40.0 fahrenheit and -200.0 fahrenheit single response
Outside Diameter: 1.094 inches nominal
Connection Style: external seat for gasket seal (boss) 2nd end
Connection Style: flared 1st end
End Connection Design: straight 1st end
End Connection Design: straight 2nd end
Connection Type: threaded external boss 2nd end
Connection Type: threaded external tube 1st end
Thread Quantity Per Inch: 12 1st end
Thread Quantity Per Inch: 12 2nd end
Burst Test Pressure: 11000.0 pounds per square inch
Layer Composition And Location: 2nd layer braided fabric and 1st layer braided fabric and outer layer molded rubber, synthetic
Nominal Thread Size: 1.062 inches 1st end
Nominal Thread Size: 1.062 inches 2nd end
Seat Angle: 37.0 degrees 1st end
Inside Surface Condition: smooth
Measuring Method And Length: 25.500 inches nominal overall
Special Features: furnished with o-ring
Media For Which Designed: fuel/oil, hydrocarbon single response
Thread Series Designator: un 1st end
Thread Series Designator: un 2nd 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
A17623	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-299-0821?

The FSCG of the NSN 4720-00-299-0821 is 4720

Does NSN 4720-00-299-0821 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 4720-00-299-0821 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-299-0821 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 4720-00-299-0821 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Thu, Jan 11, 1968