R3820-20-0237-270

View detailed technical data, stock status, and sourcing information for: R3820-20-0237-270

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R3820-20-0237-270
Federal Supply Group
Pipe, Tubing, Hose, and Fittings
Federal Supply Classification
4720 Hose and Flexible Tubing
National Stock Number
4720-00-103-3557
Item Name Code
20311
Assigment Date
06/07/1968 (58 years ago)

A length of nonmetallic hose with fittings on one or both ends. For items without fittings, see hose, nonmetallic. Excludes:hose assembly, air duct; and hose assembly, air duct, air breathing.

right-hand 1st end thread direction, round cross-sectional shape style, 1.125 inches nominal inside diameter, 600.0 fahrenheit single response temp rating, 2b 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
2b 1st end
Thread Direction
right-hand 1st end
Inside Diameter
1.125 inches nominal
Temp Rating
600.0 fahrenheit single response
Bolt Circle Diameter
1.656 inches nominal 2nd end
Flange Thickness
0.234 inches nominal 2nd end
Outside Diameter
1.344 inches nominal
Recess Diameter
1.844 inches nominal 2nd end
Recess Depth
0.136 inches nominal 2nd end
Minimum Inside Bending Radius
9.000 inches
Exterior Color
black
Angle Between Rigid Elbow Fittings In Deg
270.0
Bolt Hole Quantity
4 2nd end
Flange Outside Diameter
2.875 inches nominal 2nd end
Connection Style
swivel nut flare 1st end
Connection Style
recessed 2nd end
Bolt Hole Diameter
0.266 inches nominal 2nd end
End Flange Construction
solid 2nd end
End Connection Design
elbow 1st end
End Connection Design
elbow 2nd end
Connection Type
recessed flange 2nd end
Connection Type
threaded internal tube 1st end
Thread Quantity Per Inch
12 1st end
Burst Test Pressure
4000.0 pounds per square inch
Layer Composition And Location
outer layer braided corrosion resistant steel wire and 1st layer braided corrosion resistant steel wire
Maximum Operating Pressure
1000.0 pounds per square inch
Nominal Thread Size
1.625 inches 1st end
Seat Angle
37.0 degrees 1st end
Flow Angle
45.0 degrees 1st end
Flow Angle
90.0 degrees 2nd end
Outer Covering Environmental Protection
corrosion resistant
Inside Surface Condition
smooth
Measuring Method And Length
23.875 inches nominal working
Flange Style
round w / bolt holes 2nd end
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
0112129L0237-270 Nonmetallic Hose Assembly
530076N0237-270 Nonmetallic Hose Assembly
R3820-20-0237-270 Nonmetallic Hose Assembly
R479L0237A270 Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-103-3557?
The FSCG of the NSN 4720-00-103-3557 is 4720
Does NSN 4720-00-103-3557 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 4720-00-103-3557 contain precious materials?
Item does not contain precious metal.
Does NSN 4720-00-103-3557 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 4720-00-103-3557 was assigned to the Federal Catalog?
It was assigned 58 years ago, on Fri, Jun 7, 1968

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