4720-00-996-7521

Find complete technical information, availability, and procurement data for: 4720-00-996-7521
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-996-7521

Item Name Code

20311

Assigment Date

04/06/1967 (59 years ago)

right-hand 1st end thread direction, 3b 1st end thread class, round cross-sectional shape style, 0.188 inches nominal inside diameter, -67.0 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: 0.188 inches nominal
Temp Rating: -67.0 fahrenheit and 450.0 fahrenheit single response
Outside Diameter: 0.312 inches nominal
Minimum Inside Bending Radius: 2.000 inches
Exterior Color: natural
Connection Style: swivel nut flare 1st end
End Connection Design: straight 1st end
Connection Type: threaded internal tube 1st end
Features Provided: electrostatic discharge capability
Burst Test Pressure: 12000.0 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: 0.438 inches 1st end
Seat Angle: 37.0 degrees 1st end
Hydrostatic Test Pressure: 3000.0 pounds per square inch
Outer Covering Environmental Protection: corrosion resistant
Vacuum In Torr: 50.8
Inside Surface Condition: smooth
Measuring Method And Length: 120.000 inches nominal working
Thread Series Designator: unjf 1st end
Specification/Standard Data: 81349-mil-h-25579 government specification
Nondefinitive Spec/Std Data: 1 class

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4720-00-535-7529	No Name Available	11/01/1993
4720-00-621-5251	No Name Available	06/21/1992
4720-00-684-4359	No Name Available	12/01/1992

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
124-4	Nonmetallic Hose Assembly
13000004-1200	Nonmetallic Hose Assembly
8170429	Nonmetallic Hose Assembly
MILH25579-4	Nonmetallic Hose Assembly
R3800CC4-1200	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-996-7521?

The FSCG of the NSN 4720-00-996-7521 is 4720

Does NSN 4720-00-996-7521 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 4720-00-996-7521 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-996-7521 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 4720-00-996-7521 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Thu, Apr 6, 1967