4720-01-311-4258

Find complete technical information, availability, and procurement data for: 4720-01-311-4258
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-311-4258

Item Name Code

31934

Assigment Date

11/28/1989 (36 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

round cross-sectional shape style, 0.625 inches nominal inside diameter, 60.0 nominal shore durometer a nonmetallic hardness rating, 0.750 inches nominal outside diameter, -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: 0.625 inches nominal
Nonmetallic Hardness Rating: 60.0 nominal shore durometer a
Temp Rating: -67.0 fahrenheit and 212.0 fahrenheit single response
Outside Diameter: 0.750 inches nominal
End Item Identification: guided missile,battary 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
564-0256-007	Nonmetallic Tubing
M6855/4-10L223	Nonmetallic Tubing

FAQs

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

What is the FSCG of the NSN 4720-01-311-4258?

The FSCG of the NSN 4720-01-311-4258 is 4720

Does the NSN 4720-01-311-4258 have a Schedule B code assigned?

Yes, the Schedule B code is 4009110000

Does NSN 4720-01-311-4258 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 4720-01-311-4258 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-311-4258 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 4720-01-311-4258 was assigned to the Federal Catalog?

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