6520-01-374-5171 WHEEL,ABRASIVE Index 6750-01-374-5173 PAPER,PHOTOGRAPHIC

National Stock Number:
5365-01-374-5172

Federal Supply Class:
5365

National Item Identification Number:
013745172

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:
5599675-138597LOCKHEED MARTIN CORPORATION
5599675-153711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BOLT HOLE QUANTITY2
BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE0.625 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH0.900 INCHES NOMINAL
HOLE DIAMETER0.220 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH0.500 INCHES NOMINAL
OVERALL LENGTH2.000 INCHES NOMINAL
OVERALL THICKNESS0.500 INCHES NOMINAL
OVERALL WIDTH1.250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A36 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL
STYLE DESIGNATORNON-CIRCULAR W/SQUARE CORNERS
SURFACE TREATMENTPAINT


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