515-0257

View detailed technical data, stock status, and sourcing information for: 515-0257
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-263-6521

Item Name Code

20311

Assigment Date

09/17/1987 (38 years ago)

A manually operated mechanical device having a horizontally mounted revolvable drum(s) on the periphery of which the end of a rope, line, strap or chain is secured for exerting a raising, lowering, or pulling motion. The device may also contain a revolvable head(s) or spool(s) (gypsy head) around which one or more turns must be taken for exerting pulling power. See also winch, gypsy.

1.000 inches nominal inside diameter, right-hand 1st end thread direction, round cross-sectional shape style, red exterior color, 450.0 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 Direction: right-hand 1st end
Inside Diameter: 1.000 inches nominal
Temp Rating: 450.0 fahrenheit single response
Exterior Color: red
Connection Style: plain 1st end
End Connection Design: straight 1st end
End Fitting Component And Material: complete fitting steel all ends
Connection Type: threaded external pipe 1st end
Features Provided: nonskive and reusable end fittings
Maximum Operating Pressure: 300.0 pounds per square inch
Nominal Thread Size: 1.000 inches 1st end
Inside Surface Condition: smooth
Measuring Method And Length: 24.000 inches nominal overall
Special Features: inner conveying tube material-rubber, synthetic
Media For Which Designed: steam single response
Thread Series Designator: npt 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
515-0257	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-01-263-6521?

The FSCG of the NSN 4720-01-263-6521 is 4720

Does the NSN 4720-01-263-6521 have a Schedule B code assigned?

Yes, the Schedule B code is 4009320050

Does NSN 4720-01-263-6521 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 4720-01-263-6521 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-263-6521 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 4720-01-263-6521 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Sep 17, 1987