4720-01-156-8275

Find complete technical information, availability, and procurement data for: 4720-01-156-8275
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-156-8275

Item Name Code

20311

Assigment Date

06/25/1983 (43 years ago)

A cap designed to be mounted on the vent piping of a fuel storage tank to allow the unimpeded flow of gases in and out. It prevents the admission of rain, dirt, and other foreign matter to the tank. Excludes:breather.

0.391 inches nominal inside diameter, 3b 1st end thread class, right-hand 1st end thread direction, round cross-sectional shape style, -65.0 fahrenheit and 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 Class: 3b 1st end
Thread Direction: right-hand 1st end
Inside Diameter: 0.391 inches nominal
Temp Rating: -65.0 fahrenheit and 450.0 fahrenheit single response
Outside Diameter: 0.890 inches nominal
Minimum Inside Bending Radius: 4.620 inches
Connection Style: swivel nut flare 1st end
End Connection Design: straight 1st end
Connection Type: threaded internal tube 1st end
Burst Test Pressure: 8000.0 pounds per square inch
Layer Composition And Location: outer layer braided corrosion resistant steel wire
Maximum Operating Pressure: 1500.0 pounds per square inch
Nominal Thread Size: 0.750 inches 1st end
Seat Angle: 37.0 degrees 1st end
Hydrostatic Test Pressure: 3000.0 pounds per square inch
Outer Covering Environmental Protection: fire resistant
Inside Surface Condition: smooth
Measuring Method And Length: 26.000 inches nominal overall
Supplementary Features: this item has been reviewed for asbestos material;. the current approved sources (rnvc) have indicated their part numbers contaied asbestos. they continue to manufacture the same part number without asbestos material.
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
AE3663161H0260	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-01-156-8275?

The FSCG of the NSN 4720-01-156-8275 is 4720

Does NSN 4720-01-156-8275 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 4720-01-156-8275 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-156-8275 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 4720-01-156-8275 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sat, Jun 25, 1983