Quad assembly - and similar replacement parts

NSN 7R-4920-016199204-SX, REF NR D0013069-1001, QTY 2 EA, DELIVERY FOB
ORIGIN. 3H Drawings are not available. This item is certified by the Navy with
an AMSC code of "H", meaning that the Government physically does not have in its
possession sufficient, accurate or legible data to purchase this part from other
than current sources(s). Existing unique design capability, engineering skills,
and manufacturing knowledge by the qualified source(s) require acquisition of
the part from the approved source(s). The approved source(s) retain data rights,
manufacturing knowledge, or technical data that are not economically available
to the Government, and the data or knowledge is essential to maintaining the
quality of the part. The qualification procedures must be approved by the
Government engineering activity having jurisdiction over the part in the
intended application. A full list of AMSC codes can be found at
-SEE NOTES 9, 22, 26