M70

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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-00-287-8620

Item Name Code

17271

Assigment Date

09/17/1973 (52 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

2.000 inches nominal second arm length, 1.750 inches nominal inside diameter, furnished w/ helical spring wire insert for internal support special features, 0.150 inches nominal wall thickness, 2.000 inches nominal first arm length

Product Characteristics

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

Wall Thickness: 0.150 inches nominal
Inside Diameter: 1.750 inches nominal
First Arm Length: 2.000 inches nominal
Second Arm Length: 2.000 inches nominal
Special Features: furnished w/ helical spring wire insert for internal support
Material: rubber synthetic overall
Style Designator: straight corrugated
Working Length: 13.000 inches nominal

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
1313HD	Preformed Hose
26501	Preformed Hose
M70	Preformed Hose
VF122	Preformed Hose

FAQs

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

What is the FSCG of the NSN 4720-00-287-8620?

The FSCG of the NSN 4720-00-287-8620 is 4720

Does the NSN 4720-00-287-8620 have a Schedule B code assigned?

Yes, the Schedule B code is 4009320050

Does NSN 4720-00-287-8620 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 4720-00-287-8620 contain precious materials?

Precious metal content is unknown

Does NSN 4720-00-287-8620 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 4720-00-287-8620 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Mon, Sep 17, 1973