4720-00-990-1683

Find complete technical information, availability, and procurement data for: 4720-00-990-1683
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-990-1683

Item Name Code

17271

Assigment Date

01/01/1962 (64 years ago)

hose shall withstand a -40 deg. temperature and be resistant to heat,chemicals,oil,wet rot,or any type of anti-freeze,rust inhibitors,or liquids used in engine coolant systems special features, 2.000 inches maximum second arm length, 2.250 inches nominal inside diameter, 1.500 inches minimum first arm length, 0.125 inches minimum wall thickness

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Wall Thickness: 0.125 inches minimum
Inside Diameter: 2.250 inches nominal
First Arm Length: 1.500 inches minimum
Second Arm Length: 2.000 inches maximum
Special Features: hose shall withstand a -40 deg. temperature and be resistant to heat,chemicals,oil,wet rot,or any type of anti-freeze,rust inhibitors,or liquids used in engine coolant systems
Material: rubber synthetic cover
Material: rubber synthetic overall
Style Designator: straight corrugated
Working Length: 8.000 inches nominal

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4720-00-627-6479	No Name Available	07/01/1981

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
82161GL	Preformed Hose

FAQs

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

What is the FSCG of the NSN 4720-00-990-1683?

The FSCG of the NSN 4720-00-990-1683 is 4720

Does the NSN 4720-00-990-1683 have a Schedule B code assigned?

Yes, the Schedule B code is 4009110000

Does NSN 4720-00-990-1683 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 4720-00-990-1683 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-990-1683 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 4720-00-990-1683 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962