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Page Title:
Table III - Onboard repair parts |
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|  MIL-P-19131(SHIPS)
AMENDMENT-5
With the ship pitching 10 degrees up and down from the normal horizontal
(3)
plane (time of complete pitch cycle, 4 seconds)."
Page 14
Add as paragraph 3.3.15.3:
"3.3.15.3 Horizontal flexibly coupled units with bedplates shall have couplings guards
provided. Guards shall be designed to permit ready access to the coupling for lubrication
and inspection."
Add as paragraph 3.3.16.7:
"3.3.16.7 When specified (see 6.1), pumps shall be provided with mechanical seals."
Page 15
Delete and substitute:
3.3.19:
Welding shall be in accordance with MIL-STD-278."
"3.3.19
Welding.
For
"3.3.19.1 Silver brazed joints shall be in accordance with NAVSHIPS 0900-001-7000.
joints 1/2 inch and above, only preinserted ring fittings shall be used."
Page 16
Table II, column 2 opposite "Shafts" add "17-4PH corrosion resisting steel."
Delete "MIL-N-17506"
and substitute "QQ-N-286".
Table II, column 3, line 7:
Page 17
Delete and substitute:
3.4.3.1:
"3.4.3.1 Materials for class N-4 and O-3 pumps shall be the same as listed in table II
except that commercial materials may be used in place of Government specification materials."
#
3.4.3.3.
Delete and substitute:
"3.4.3.3 Materials of the vanes and sliding shoes of types IX, X and XI pumps shall be
that moat suitable for classes N-2 and 0-2 services and shall be as proposed by the manu-
facturer and as approved by the command or agency concerned."
Page 18
Page 21
3.8.1:
Delete and substitute:
"3.8.1 Manuals shall be in accordance with MIL-M-15071."
"MIL-T-15071" and substitute "MIL-M-15071".
3.8.5, line 5:
Page 22
Table III:
Delete and substitute;
"Table III - Onboard repair parts
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