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4720-00-494-0757

Find complete technical information, availability, and procurement data for: 4720-00-494-0757

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4720-00-494-0757
Federal Supply Group
Pipe, Tubing, Hose, and Fittings
Federal Supply Classification
4720 Hose and Flexible Tubing
National Stock Number
4720-00-494-0757
Item Name Code
20311
Assigment Date
10/19/1970 (55 years ago)

A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see gearshaft (as modified). Excludes:gear subassembly, speed decreaser.

round cross-sectional shape style, right-hand 2nd end thread direction, 3b 1st end thread class, 3b 2nd end thread class, right-hand 1st 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
0.844 inches minimum
Temp Rating
-65.0 fahrenheit and 450.0 fahrenheit single response
Outside Diameter
1.149 inches maximum
Minimum Inside Bending Radius
7.375 inches
Angle Between Rigid Elbow Fittings In Deg
90.0
Connection Style
swivel nut flare 1st end
Connection Style
swivel nut, flareless 2nd end
End Connection Design
elbow 1st end
End Connection Design
elbow 2nd end
End Fitting Component And Material
complete fitting aluminum alloy all ends
Fitting Component And Surface Treatment
complete fitting anodize 1st end
Connection Type
threaded internal tube 1st end
Connection Type
threaded internal tube 2nd end
Features Provided
electrostatic discharge capability
Thread Quantity Per Inch
12 1st end
Thread Quantity Per Inch
12 2nd end
Burst Test Pressure
5000.0 pounds per square inch
Layer Composition And Location
outer layer braided corrosion resistant steel wire
Maximum Operating Pressure
1250.0 pounds per square inch
Nominal Thread Size
1.312 inches 1st end
Nominal Thread Size
1.312 inches 2nd end
Seat Angle
12.0 degrees 2nd end
Seat Angle
37.0 degrees 1st end
Hydrostatic Test Pressure
2500.0 pounds per square inch
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
27.250 inches nominal working
Special Features
inner conveying tube material-plastic, polytetrafluoroethylene
Supplementary Features
this item has been reviewed for asbestos material. the current approved source, 50599, has indicated their part number contained asbestos prior to 1984. they continue to manufacture the same part number without asbestos material after 1984
Thread Series Designator
un 1st end
Thread Series Designator
un 2nd 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
218-42501-4 Nonmetallic Hose Assembly
96843-4 Nonmetallic Hose Assembly
R27365-5 Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-494-0757?
The FSCG of the NSN 4720-00-494-0757 is 4720
Does NSN 4720-00-494-0757 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 4720-00-494-0757 contain precious materials?
Precious metal content is unknown
Does NSN 4720-00-494-0757 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 4720-00-494-0757 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Mon, Oct 19, 1970

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