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4720-00-300-6768

Find complete technical information, availability, and procurement data for: 4720-00-300-6768

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4720-00-300-6768
Federal Supply Group
Pipe, Tubing, Hose, and Fittings
Federal Supply Classification
4720 Hose and Flexible Tubing
National Stock Number
4720-00-300-6768
Item Name Code
20311
Assigment Date
10/12/1973 (52 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

right-hand 1st end thread direction, round cross-sectional shape style, 3b 2nd end thread class, 3b 1st end thread class, right-hand 2nd 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 Class
3b 2nd end
Thread Direction
right-hand 1st end
Thread Direction
right-hand 2nd end
Inside Diameter
0.173 inches minimum
Temp Rating
-65.0 fahrenheit and 450.0 fahrenheit single response
Outside Diameter
0.343 inches maximum
Minimum Inside Bending Radius
2.000 inches
Exterior Color
natural
Angle Between Rigid Elbow Fittings In Deg
0.0
Connection Style
swivel nut flare 1st end
Connection Style
swivel nut flare 2nd end
End Connection Design
elbow 1st end
End Connection Design
elbow 2nd end
Connection Type
threaded internal tube 1st end
Connection Type
threaded internal tube 2nd 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
Nominal Thread Size
0.438 inches 2nd end
Seat Angle
37.0 degrees 1st end
Seat Angle
37.0 degrees 2nd end
Hydrostatic Test Pressure
3000.0 pounds per square inch
Flow Angle
45.0 degrees 2nd end
Flow Angle
90.0 degrees 1st end
Outer Covering Environmental Protection
corrosion resistant
Vacuum In Torr
50.8
Inside Surface Condition
smooth
Measuring Method And Length
9.000 inches nominal working
Media For Which Designed
fuel/oil, hydrocarbon single response
Thread Series Designator
unjf 2nd end
Thread Series Designator
unjf 1st end

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R25481A34-0090-0 Nonmetallic Hose Assembly
R25481A34-0090-000 Nonmetallic Hose Assembly
S5550-0090-000H Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-300-6768?
The FSCG of the NSN 4720-00-300-6768 is 4720
Does NSN 4720-00-300-6768 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 4720-00-300-6768 contain precious materials?
Precious metal content is unknown
Does NSN 4720-00-300-6768 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 4720-00-300-6768 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Oct 12, 1973

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