5310-01-411-8367 WASHER,LOCK Index 5305-01-411-8369 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5365-01-411-8368

Federal Supply Class:
5365

National Item Identification Number:
014118368

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:
670067953711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
APERTURE DIAMETER0.438 INCHES NOMINAL
HOLE DIAMETER0.232 INCHES MINIMUM AND 0.235 INCHES MAXIMUM
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH0.787 INCHES NOMINAL
OVERALL LENGTH7.000 INCHES NOMINAL
OVERALL THICKNESS0.250 INCHES NOMINAL
OVERALL WIDTH1.250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 5052
SPECIAL FEATURESHAS ONE BEVELED OUTSIDE CORNER; NOMINAL OUTSIDE CORNER BEVEL LENGTH ALONG WIDTH IS 0.350 IN.; NOMINAL OUTSIDE CORNER LENGTH ALONG LENGTH IS 0.350 IN.
STYLE DESIGNATORNON-CIRCULAR W/SQUARE CORNERS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541,CL 1A MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTCHROMATE


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