The color of piping shall be in accordance with General Specifications, Appendix 6-Instructions for painting and Cementing Vessels of the United States Navy.2. ABBREVIATIONS.Abbreviations allowable when inscriptions are long are as follows:
Amm. for ammunition.
A. T. for airtight.
Aux. for auxiliary.
BH. for bulkhead.
C. &. R. for Construction and Repair.
Circ. for circulating.
Compt. for compartment.
Const. for construction.
C.P.O. for chief petty officers.
Cu. ft. for cubic feet.
Dis. for discharge.
E. for Engineering.
Elec. for electric.
Equip. for equipment.
Evap. for evaporator.
For’d for forward.
F. O. for fuel oil.
F. T. for fumetight.
Ft. for feet or foot.
F. W. for fresh water.
Gals. for gallons.
In. for inch.
J. O. for junior officers.
Lub. for lubricating oil.
Mag. for magazines.
M. H. for manhole.
Med. for medical.
M. T. for flametight.
Nav. for navigation.
N. T. for non-tight.
Offs. for officers.
Ord. for ordnance.
O. T. for oiltight.
Ready S. Mag. for ready-service magazine.
Salut.pwdr. for saluting powder.
S. D. for supply department
Sergt. for sergeant.
Stbd. for starboard.
Suc. for suction.
T. for tons.
Torp. for torpedo.
Trans. for transverse.
Vent. for ventilation.
V. T. for voice tube.
W. for weathertight.
W. C. for water-closet.
W. L. for waterline.
W. O. for warrant officers.
W. R. for ward ROOM.
W. T. for watertight.