4730-01-481-2255 ADAPTER,STRAIGHT,TUBE TO BOSS Index 4720-01-481-2257 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
5365-01-481-2256

Federal Supply Class:
5365

National Item Identification Number:
014812256

Description:
SPACER,PLATE

Detail:
A flat metal or plastic item of various peripheral shapes having a solid (not laminated) cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole having a solid rectangular cross-section use DISK, SOLID, PLAIN. For round or hexagonal items with only one hole centrally located and with the length (thickness) exceeding 25 percent of the outside diameter or distance across peripheral flats, see SPACER, SLEEVE. The thickness between the two parallel bearing surfaces must be 0.006 inch, (0.152 mm) or more for items less than 1/4 inch (6.35 mm) across the peripheral diameter, or smallest overall outside dimension, or must be 0.016 inch (0.406 mm) or more for items 1/4 inch (6.35 mm) or greater across the peripheral diameter or smallest overall outside dimension. For items with a thickness less than those indicated above, see SHIM. For items with one hole centrally located conforming to the above dimensional criteria use WASHER, FLAT or SPACER, RING as applicable. When thickness and/or outside diameter or smallest overall outside dimension is designated as a tolerance/dimension the maximum dimension will be used to determine compliance. Excludes GASKET; INSULATOR (as modified) and MOUNTING PAD, ELECTRICAL-ELECTRONIC COMPONENT.


Manufacturer Information:
122-527765653711NAVAL SEA SYSTEMS COMMAND
122-5277656 ITEM 1653711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
APERTURE DIAMETER2.375 INCHES NOMINAL
BOLT HOLE QUANTITY4
BOLT CIRCLE DIAMETER4.500 INCHES NOMINAL
GASKET CENTER TO FLAT DISTANCE2.250 INCHES NOMINAL
HOLE DIAMETER0.625 INCHES NOMINAL
OUTSIDE DIAMETER8.000 INCHES NOMINAL
OVERALL THICKNESS0.250 INCHES NOMINAL
MATERIALCOPPER ALLOY 630
STYLE DESIGNATORCIRCULAR W/ONE PERIPHERAL FLAT


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