MS21391B
Provision of a sealing valve is optional and ground equipment is to be designed to operate when coupled to an aircraft coupling with or without a sealing valve.
Material: Steel, use ASTM A484/A484M, and ASTM A582, Type 303, Condition A. Remove all burrs and break sharp edges.
Dimensions in inches, unless otherwise specified. Tolerances: ± .010.
Referenced documents shall be of the issue in effect on date of invitations for bid.
This standard is the subject of international standardization agreement ASCC Air Standard 25/11 and NATO STANAG 3212 ASP. When an amendment, revision, or cancellation of this standard is proposed which affects or violates the international agreement concerned, the preparing
activity will take appropriate reconciliation action through international standardization channels,
including departmental standardization offices, if required.
Custodians: Preparing Activity: Air Force - 99 Air Force - 82
Army - AV Navy - AS
(Project No. 1680-0802)
Review activities: Navy - AL
2
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