4720-01-444-1557

Find complete technical information, availability, and procurement data for: 4720-01-444-1557
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-444-1557

Item Name Code

20311

Assigment Date

04/30/1997 (29 years ago)

A cap designed to mate with a fluid valve body. It may have an orifice through which a rod, shaft, stem, or an adjusting screw passes. For ported items, see head, valve. Excludes:cap, pneumatic valve.

-40.0 fahrenheit and 257.0 fahrenheit single response temp rating, right-hand 1st end thread direction, round cross-sectional shape style, 3b 1st end thread class, 0.250 inches nominal inside diameter

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 257.0 fahrenheit single response
Outside Diameter: 0.530 inches nominal
Minimum Inside Bending Radius: 4.000 inches
Connection Style: swivel nut flare 1st end
End Connection Design: straight 1st end
Connection Type: threaded internal tube 1st end
Features Provided: reusable end fittings
Burst Test Pressure: 11000.0 pounds per square inch
Layer Composition And Location: 1st layer braided steel wire and outer layer molded rubber, synthetic
Maximum Operating Pressure: 2750.0 pounds per square inch
Nominal Thread Size: 0.438 inches 1st end
Seat Angle: 37.0 degrees 1st end
Hydrostatic Test Pressure: 5500.0 pounds per square inch
Inside Surface Condition: smooth
Measuring Method And Length: 87.250 inches nominal overall
Media For Which Designed: fuel/oil, hydrocarbon single response
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
4210606-4-4-4CX87.25	Nonmetallic Hose Assembly
6304131-95	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-01-444-1557?

The FSCG of the NSN 4720-01-444-1557 is 4720

Does NSN 4720-01-444-1557 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 4720-01-444-1557 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-444-1557 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 4720-01-444-1557 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Wed, Apr 30, 1997