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OPNAVINST 6420.1B — PHYSICAL REQUIREMENTS FOR NON-SUBMARINE PERSONNEL EMBARKED ON SUBMARINES

OPNAVINST 6420.1B is listed as current Current
in the DON Issuances (DONI) catalog as of our last index refresh (2026-07-11). Note: its publication date is 2018-01-10 — 8 years old — so check for newer interim changes before citing it.
BranchU.S. Navy
SeriesOPNAVINST
Publication date2018-01-10 (8.5 years ago)
StatusCurrent
Proponent / OPRN97
Source of recordDON Issuances (DONI)

Official document (DON Issuances (DONI))

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This is an unofficial index built from the public catalog. The controlling copy is always the one on DON Issuances (DONI) — verify there before citing OPNAVINST 6420.1B in an official product.