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4720-00-202-7867

Find complete technical information, availability, and procurement data for: 4720-00-202-7867

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4720-00-202-7867
Federal Supply Group
Pipe, Tubing, Hose, and Fittings
Federal Supply Classification
4720 Hose and Flexible Tubing
National Stock Number
4720-00-202-7867
Item Name Code
20311
Assigment Date
01/01/1961 (65 years ago)

A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.

round cross-sectional shape style, -40.0 fahrenheit and 250.0 fahrenheit single response temp rating, 0.312 inches nominal inside diameter, right-hand 1st end thread direction, 2a 1st end thread class

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
2a 1st end
Thread Direction
right-hand 1st end
Inside Diameter
0.312 inches nominal
Temp Rating
-40.0 fahrenheit and 250.0 fahrenheit single response
Outside Diameter
0.562 inches nominal
Connection Style
swivel nut, inverted flare 1st end
End Connection Design
straight 1st end
Connection Type
threaded external tube 1st end
Burst Test Pressure
1600.0 pounds per square inch
Layer Composition And Location
outer layer molded rubber, synthetic and 1st layer braided cotton cord
Maximum Operating Pressure
400.0 pounds per square inch
Nominal Thread Size
0.500 inches 1st end
Seat Angle
45.0 degrees 1st end
Hydrostatic Test Pressure
800.0 pounds per square inch
Outer Covering Environmental Protection
abrasion resistant and oil resistant and ozone resistant and light resistant
Inside Surface Condition
smooth
Measuring Method And Length
12.000 inches nominal overall
Media For Which Designed
air and fuel/oil, hydrocarbon and water single response
Thread Series Designator
unf 1st end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
2910-00-416-7028 No Name Available 07/17/1970

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
3248674 Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-202-7867?
The FSCG of the NSN 4720-00-202-7867 is 4720
Does NSN 4720-00-202-7867 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 4720-00-202-7867 contain precious materials?
Item does not contain precious metal.
Does NSN 4720-00-202-7867 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 4720-00-202-7867 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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