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fully split water lubricated stern shaft seal{ for inspection and repair a inflatable seal is provided{ operating air pressure 25 psi{ max air pressure 150 psi{ seal is seawater cooled flow rate 15 gpm{ max water pressure 30 psi{ normal operating water 20 psi{ seal length 18.543 in nom major diameter 37.375 in nom shaft diameter 20.125 in nom{ mounting method 16 unthreaded equally spaced 1.000 in diameter holes 35.500 in bolt hole circle{ reference dwg us 43170{ used on propulsion shaft on 378 ft whec uscg vessels
A combination of items used in sealing various rotary shaft equipment. It may include items such as bellows, disk, drive ring, flexible diaphragm, mating ring, o-ring, retainer, seat, sleeve, washer and the like. Excludes seal, plain encased.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Item does not contain precious metal.
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
HMIC: Hazardous Material Indicator Code. A one position code that identifies a hazardous item.
PMIC: Precious Metal Indicator Code. A one position code which identifies items that have precious metals as part of their content. precious metals are those metals generally considered to be uncommon, highly valuable, and relatively superior in certain properties such as resistance to corrosion and electrical conductivity.
ESD: Electrostatic Discharge. Indicates if an item is susceptible to electrostatic discharge or electromagnetic interference damage. electrostatic discharge damage occurs when an accumulation of static electricity generated by the relative motion or separation of materials is released to another item by direct contact. electromagnetic interference damage occurs when an item comes into proximity with an electrostatic or magnetic field.
ENAC: Enviromental Attribute Code. Identifies items with environmentally preferred characteristics.
CRITL: Criticality Indicator Code. Indicates an item is technically critical by tolerance, fit, application, nuclear hardness properties, or other characteristics.