MIL-T-15301D(SHIPS)
3.3.$ Welding.
Welding, preparation of joints and stress relieving, shall be in accordance with
MIL-STD-278.
3.3.9 Galvanizing. The tanks shall be galvanized inside and outside after fabrication and testing.
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The galvanizing shall be in accordance with MIL-Z-17871. Threaded holes shall be protected while galvanizing
by the insertion of mating bolts. Bolts shall be removed after galvanizing and hole threads cleaned of any
residual coating. All gasket mating surfaces finish machined prior to galvanizing shall be protected with a
suitable coating of "stop-off" material. All gasket surfaces not protected with a coating of galvanizing
stop-off material shall be finished after galvanizing. Threads shall be in accordance with Handbook H28.
3.3.10 Handhole covers, bolts, and yokes shall be in accordance with figure 2.
"One set of industrial handhole gaskets 1/16 inch thick shall be furnished on each
3.3.11 Gaskets.
tank.
3.4 stamping. All tanks shall be plainly stamped (indented) on each head , about 3 inches in from the
outside circumference with the name of the manufacturer, the number and date (month and year) of this speci-
fication, class, and the working pressure in p.s.i.g. in letters not less than 3/8 inch nor more than 1/2
inch high.
3.5 Onboard repair parts.
One complete set of gaskets 1/16 inch thick and one handhole cover shall
be furnished with each tank,
3.6 Drawings. Drawings shall be type II, category A, form 2 in accordance with MIL-D-1000/2, Draw-
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ings shall be approved by the Naval Ship Engineering Center (Auxiliary Equipment Branch). Only drawings
which have not previously been approved, or have been revised by changes in material or design, shall be
submitted for approval.
3.6.1 Drawings shall show overall dimensions, size and location of connections, shell and head thick-
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ness, materials, welding details weight, volume, working pressure, and test pressure.
3.7 Workmanship.The workmanship and finish shall be first class in every respect.
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4. QUALITY ASSURANCE PROVISIONS
4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order,
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the supplier is responsible for the performance of all inspection requirements as specified herein. Except
as otherwise specified in the contract or order, the supplier may use his own or any other facilities suit-
able for the performance of the inspection requirements specified herein, unless disapproved by the
Government. The Government reserves the right to perform any of the inspections set forth in the specifi-
cation where such inspections are deemed necessary to assure supplies and services conform to prescribed
requirements.
4.2
Quality conformance inspection,
4.2.1 Examination. Each tank offered for delivery shall be subjected to examination to determine
compliance with the requirements of this specification that do not involve tests. Examination shall be
conducted as specified in table II.
Table II - Classification of defects.
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