This SAE Standard provides ordering information for any SAE 20R1 through SAE 20R4 hose type (such as EC, HT, LT, or combination thereof.) It is a supplement for Government use but may be used by others.
Rationale
At the request of the military revised the applicable paragraphs and cross reference Table 2 to add wall thickness “S” standard and “H” heavy wall.
An error was made in the cross-reference from ZZ-H-428 to SAE J20 hose. ZZ-H-428 Type 1 hose was not wire reinforced so it is equivalent to SAE J20 R1 not SAE J20 R2 (R2 is wire reinforced hose). When the hose suppliers were asked to quote the hoses by DSCC then the error was uncovered.
Another error was found in the first column, 5th SAE number ends in an “N” and should end in an “H”. There was no SAE J20 “N” callout.
SAE J20R1 hose has two thicknesses “S” = standard and “H” = heavy wall so the part number cross-reference must indicate which wall thickness to purchase as the equivalent to the old ZZ-H-428 Type 1 standard wall. First column, second paragraph an “S” was added to each SAE-R1 part number.
The Non-Hydraulic Hose Committee develops and maintains SAE Standards, Recommended Practices, Information Reports and appropriate manuals relating to the development of non-hydraulic thermoset and thermoplastic elastomeric hose specifications, such as those used in cooling, fuel, oil, fuel vapor, air management, windshield washer (tubing) and refrigerant systems, which can be either mobile or stationary applications. The task forces formed under the committee's direction include: Low Permeation J2416 Diesel Fuel Hose Fuel Cell/Hybrid Vehicle Hoses Test Method for Non-Conductive Coolant Hose Cover Participants in the SAE Non-Hydraulic Hose Committee include OEMs, suppliers, consulting firms, government and other interested parties.
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J20/1_200906
Coolant Hose(Supplement to SAE J20 for Government Use Replacing Part of MS52130)
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Coolant Hose(Supplement to SAE J20 for Government Use Replacing Part of MS52130)
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