68476

View detailed technical data, stock status, and sourcing information for: 68476
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-320-3349

Item Name Code

17972

Assigment Date

11/16/1973 (52 years ago)

A length of metallic hose with fittings on one or both ends. For items without fittings, see hose, metallic. Excludes:conduit, electrical; conduit assembly, electrical; casing, flexible control; and casing, flexible shaft assembly.

right-hand 1st end thread direction, -54.0 celsius and 125.0 celsius single response temp rating, 3b 1st end thread class, round cross-sectional shape style, 0.375 inches nominal inside diameter

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 Direction: right-hand 1st end
Inside Diameter: 0.375 inches nominal
Temp Rating: -54.0 celsius and 125.0 celsius single response
Flange Thickness: 0.125 inches nominal 2nd end
Outside Diameter: 0.634 inches nominal
Inner Conveying Tube Style: annular close-pitch corrugated
Exterior Color: silver
Angle Between Rigid Elbow Fittings In Deg: 0.0
Bolt Hole Quantity: 2 2nd end
Flange Width: 0.750 inches nominal 2nd end
Connection Style: swivel nut flare 1st end
Connection Style: raised 2nd end
Bolt Hole Diameter: 0.153 inches nominal 2nd end
Raised Face Height: 0.188 inches nominal 2nd end
Raised Face Diameter: 0.499 inches nominal 2nd end
End Flange Construction: solid 2nd end
End Connection Design: elbow 1st end
End Connection Design: elbow 2nd end
Connection Type: raised face flange 2nd end
Connection Type: threaded internal tube 1st end
Maximum Operating Pressure: 150.0 pounds per square inch
Nominal Thread Size: 0.750 inches 1st end
Seat Angle: 37.0 degrees 1st end
Flow Angle: 90.0 degrees 1st end
Flow Angle: 90.0 degrees 2nd end
Measuring Method And Length: 8.250 inches nominal overall
Flange Style: oval 2nd end
Special Features: metal hose is in 2 sections joined by 90 deg cres elbow; 1st leg 4.000 in. lg; 2nd leg 3.250 in. lg
Thread Series Designator: unf 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
373266-1	Metallic Hose Assembly
68476	Metallic Hose Assembly
90628	Metallic Hose Assembly

FAQs

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

What is the FSCG of the NSN 4720-00-320-3349?

The FSCG of the NSN 4720-00-320-3349 is 4720

Does the NSN 4720-00-320-3349 have a Schedule B code assigned?

Yes, the Schedule B code is 7307225000

Does NSN 4720-00-320-3349 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 4720-00-320-3349 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-320-3349 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 4720-00-320-3349 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Fri, Nov 16, 1973