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4720-01-179-9871

Find complete technical information, availability, and procurement data for: 4720-01-179-9871

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4720-01-179-9871
Federal Supply Group
Pipe, Tubing, Hose, and Fittings
Federal Supply Classification
4720 Hose and Flexible Tubing
National Stock Number
4720-01-179-9871
Item Name Code
20311
Assigment Date
05/23/1984 (42 years ago)

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes:packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

0.375 inches nominal inside diameter, right-hand 1st end thread direction, 3a 1st end thread class, -40.0 fahrenheit and 200.0 fahrenheit single response temp rating, round cross-sectional shape style

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
3a 1st end
Thread Direction
right-hand 1st end
Inside Diameter
0.375 inches nominal
Temp Rating
-40.0 fahrenheit and 200.0 fahrenheit single response
Outside Diameter
0.840 inches nominal
Minimum Inside Bending Radius
5.000 inches
Connection Style
external seat for gasket seal (boss) 1st end
End Connection Design
straight 1st end
End Fitting Component And Material
complete fitting nickel alloy all ends
Connection Type
threaded external boss 1st end
Features Provided
reusable end fittings
Thread Quantity Per Inch
12 1st end
Burst Test Pressure
18000.0 pounds per square inch
Layer Composition And Location
1st layer spiral interlocked corrosion resistant steel and 2nd layer spiral interlocked corrosion resistant steel and 3rd layer spiral interlocked corrosion resistant steel and 4th layer spiral interlocked corrosion resistant steel and outer layer molded rubber, synthetic
Maximum Operating Pressure
4500.0 pounds per square inch
Nominal Thread Size
1.188 inches 1st end
Hydrostatic Test Pressure
9000.0 pounds per square inch
Inside Surface Condition
smooth
Measuring Method And Length
38.750 inches nominal overall
Special Features
inner conveying tube material-rubber, synthetic
Media For Which Designed
fuel/oil, hydrocarbon single response
Thread Series Designator
un 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
102245-3 Nonmetallic Hose Assembly
FG1145EGE0386 Nonmetallic Hose Assembly
RE-B102245-3 Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-01-179-9871?
The FSCG of the NSN 4720-01-179-9871 is 4720
Does NSN 4720-01-179-9871 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 4720-01-179-9871 contain precious materials?
Item does not contain precious metal.
Does NSN 4720-01-179-9871 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 4720-01-179-9871 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Wed, May 23, 1984

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