Heater fresh air tube

[wrenchturner6238]

I am trying to find a new under hood heater fresh air tube. Any help would be appreciated.

As you can see my tube is just went south.

I have tried the search with no luck. I suppose that I am not using the proper words

 

[wrenchturner6238]

I am trying to find a new under hood heater fresh air tube. Any help would be appreciated.

As you can see my tube is just went south.

I have tried the search with no luck. I suppose that I am not using the proper words

This is a m931 tractor by the way

 

[wrenchturner6238]

I am looking to find out what others are using for the fresh air tube

 

[Guyfang]

Do you have a NSN or past # for it?

 

[wrenchturner6238]

i just found the nsn# 4720-00-809-2430

 

[juanprado]

That is common duct hose. Measure the Id which should be the same both ends and length.

Napa will have it in gates and other hd parts stores should have it. Oreilly can probably order in.

 

[Guyfang]

Tech data for hose.

	CROSS-SECTIONAL SHAPE STYLE	ROUND
	INSIDE DIAMETER	4.000 INCHES NOMINAL FIRST END
	MINIMUM INSIDE BENDING RADIUS	1.125 INCHES
	CONNECTION TYPE	PLAIN BOTH ENDS
	FEATURES PROVIDED	OZONE RESISTANT
	MAXIMUM OPERATING PRESSURE	5.0 POUNDS PER SQUARE INCH
	EXTERNAL OPERATING PRESSURE	5.0 POUNDS PER SQUARE INCH
	MATERIAL	FIBERGLASS 1ST PLY AND RUBBER CHLOROPRENE CLASS CR 1ST PLY
	MATERIAL	FIBERGLASS 2ND PLY AND RUBBER CHLOROPRENE CLASS CR 2ND PLY
	MATERIAL	STEEL REINFORCING WIRE
	STYLE DESIGNATOR	HELICALLY WOUND CONTINOUS WIRE SUPPORTED
	TEST DATA DOCUMENT	19207-8711053 THRU 8711056 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
	SPECIFICATION/STANDARD DATA	81349-MIL-H-62028 GOVERNMENT SPECIFICATION
	NONDEFINITIVE SPEC/STD DATA	1 CLASS AND 1 TYPE