4720-01-442-2837

Find complete technical information, availability, and procurement data for: 4720-01-442-2837
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-442-2837

Item Name Code

20311

Assigment Date

03/11/1997 (29 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

round cross-sectional shape style, 3b 2nd end thread class, 3b 1st end thread class, right-hand 1st end thread direction, 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: 1.250 inches nominal
Temp Rating: -65.0 fahrenheit and 200.0 fahrenheit single response
Outside Diameter: 2.000 inches nominal
Minimum Inside Bending Radius: 16.000 inches
End Item Identification: truck,family of medium tacticle vehicle
Connection Style: swivel nut flare 1st end
Connection Style: swivel nut flare 2nd end
End Connection Design: elbow 1st end
End Connection Design: straight 2nd end
Connection Type: threaded internal tube 1st end
Connection Type: threaded internal tube 2nd end
Thread Quantity Per Inch: 12 1st end
Thread Quantity Per Inch: 12 2nd end
Burst Test Pressure: 6500.0 pounds per square inch
Maximum Operating Pressure: 1625.0 pounds per square inch
Nominal Thread Size: 1.625 inches 1st end
Nominal Thread Size: 1.625 inches 2nd end
Seat Angle: 37.0 degrees 1st end
Seat Angle: 37.0 degrees 2nd end
Flow Angle: 45.0 degrees 1st end
Inside Surface Condition: smooth
Measuring Method And Length: 812.0 millimeters nominal overall
Media For Which Designed: fuel/oil, hydrocarbon single response
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
12417312	Nonmetallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-01-442-2837?

The FSCG of the NSN 4720-01-442-2837 is 4720

Does NSN 4720-01-442-2837 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 4720-01-442-2837 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-442-2837 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 4720-01-442-2837 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Tue, Mar 11, 1997