4720-01-311-4257

Find complete technical information, availability, and procurement data for: 4720-01-311-4257
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-311-4257

Item Name Code

31934

Assigment Date

11/28/1989 (36 years ago)

An item of varying tubular shapes molded or extruded from nonmetallic material. It includes flat form plastic tubing designed to be expanded for use and rubber tubing designed to be fabricated into sealing and/or cushioning devices. Excludes: hose,nonmetallic and tube (as modified).

0.688 inches nominal outside diameter, 0.562 inches nominal inside diameter, round cross-sectional shape style, 60.0 nominal shore durometer a nonmetallic hardness rating, -67.0 fahrenheit and 212.0 fahrenheit single response temp rating

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
Inside Diameter: 0.562 inches nominal
Nonmetallic Hardness Rating: 60.0 nominal shore durometer a
Temp Rating: -67.0 fahrenheit and 212.0 fahrenheit single response
Outside Diameter: 0.688 inches nominal
End Item Identification: guided missile battery control,vehicle mounted,1430-01-286-1314
Minimum Tensile Strength: 1500 pounds per square inch
Outer Covering Environmental Protection: oil resistant and ozone resistant and weatherproof
Inside Surface Condition: smooth
Measuring Method And Length: 6.0 feet nominal overall
Flexibility: flexible
Material: rubber chloroprene class cr tube
Material Document And Classification: mil-r-6855, class 2, grade 60 mil spec single material response tube
Specification/Standard Data: 81349-mil-r-6855 government specification
Nondefinitive Spec/Std Data: 2 class and 60 grade and a type

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
564-0256-042	Nonmetallic Tubing
M6855/4-10L203	Nonmetallic Tubing

FAQs

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

What is the FSCG of the NSN 4720-01-311-4257?

The FSCG of the NSN 4720-01-311-4257 is 4720

Does the NSN 4720-01-311-4257 have a Schedule B code assigned?

Yes, the Schedule B code is 4009110000

Does NSN 4720-01-311-4257 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 4720-01-311-4257 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-311-4257 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 4720-01-311-4257 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Tue, Nov 28, 1989