Schedule of Piping Valves Fittings and Associated

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NOT MEASUREMENT

SENSITIVE

MIL-STD-777F(SH)

w/CHANGE 2

13 February 2018

SUPERSEDING

MIL-STD-777F(SH)

w/CHANGE 1

21 February 2017

DEPARTMENT OF DEFENSE

STANDARD PRACTICE

SCHEDULE OF PIPING, VALVES, FITTINGS, AND ASSOCIATED

PIPING COMPONENTS FOR NAVAL SURFACE SHIPS

AMSC N/A

FSC 4730

DISTRIBUTION STATEMENT A. Approved for public release. Distribution is unlimited.

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MIL-STD-777F(SH)

W/CHANGE 2

FOREWORD

1. This standard is approved for use by the Naval Sea Systems Command and is available for use by all Departments and Agencies of the Department of Defense.
2. This standard establishes the requirement for piping system components on surface ships, in order to preclude the necessity for including a piping schedule in each Navy Ship Specification. This standard represents and includes the latest material requirements previously covered in the Ship Specifications. It is the intent to refer to this standard in section 505 in the Ship Specifications for all new Navy surface ships and the General Specifications for Overhaul of Surface Ships (GSO) for existing ships. 3. Comments, suggestions, or questions on this document should be addressed to Commander, Naval Sea Systems Command, ATTN: SEA 05S, 1333 Isaac Hull Avenue, SE, Stop 5160, Washington Navy Yard DC 20376-5160 or emailed to CommandStandards@navy mil, with the subject line “Document Comment”. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at https://assist.dla mil.

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MIL-STD-777F(SH)

W/CHANGE 2

SUMMARY OF CHANGE 2 MODIFICATIONS

1. Various document IDs and document titles throughout section 2 were updated in accordance with their respective repository’s most recently published information. All cross-references to updated documents changed throughout the text of this document.
2. AIA NAS1613 added as a reference in 2.3 to support O-ring gasket requirements. 3. ASTM F3226/F3226M added as a reference in 2.3 to support press-connect fittings requirements. 4. Changed “cognizant SUPSHIP, Naval Shipyard, or NAVSEA” in paragraphs 4.24.2 and 4.42 to “Government” as the contract will define the approval authority.
5. Reworded paragraph 4.46; inserted new verbiage and updated existing verbiage. 6. Inserted new paragraph (4.47). Subsequent paragraphs in section 4 re-numbered to account for insertion of new paragraph, and all cross-references to re-numbered paragraphs corrected throughout document to reflect new