4720-00-566-1257

Find complete technical information, availability, and procurement data for: 4720-00-566-1257
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-566-1257

Item Name Code

20311

Assigment Date

11/24/1974 (51 years ago)

A length of nonmetallic hose, molded to a predetermined shape and size.

3b 1st end thread class, round cross-sectional shape style, 0.875 inches nominal inside diameter, -40.0 fahrenheit and 250.0 fahrenheit single response temp rating, right-hand 1st end thread direction

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: 0.875 inches nominal
Temp Rating: -40.0 fahrenheit and 250.0 fahrenheit single response
Outside Diameter: 1.234 inches nominal
Minimum Inside Bending Radius: 7.375 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
Thread Quantity Per Inch: 12 1st end
Burst Test Pressure: 3200.0 pounds per square inch
Layer Composition And Location: 1st layer braided cotton cord and 2nd layer braided wire and outer layer rubber impregnated braided cotton cord
Maximum Operating Pressure: 800.0 pounds per square inch
Nominal Thread Size: 1.312 inches 1st end
Seat Angle: 37.0 degrees 1st end
Hydrostatic Test Pressure: 1600.0 pounds per square inch
Outer Covering Environmental Protection: alcohol resistant and fuel resistant and water resistant and oil resistant
Vacuum In Torr: 50.8
Inside Surface Condition: smooth
Measuring Method And Length: 124.000 inches nominal working
Media For Which Designed: fuel/oil, hydrocarbon single response
Thread Series Designator: unj 1st end
Specification/Standard Data: 96906-ms28741 government standard

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
111417-16D-1240	Nonmetallic Hose Assembly
MS28741-16-1240	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-566-1257?

The FSCG of the NSN 4720-00-566-1257 is 4720

Does NSN 4720-00-566-1257 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 4720-00-566-1257 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-566-1257 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 4720-00-566-1257 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Sun, Nov 24, 1974