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National Stock Number:
5365-01-004-5198
Federal Supply Class:
5365
National Item Identification Number:
010045198
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.
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Manufacturer Information:
| 1100B0023 | 03538 | LOCKHEED MARTIN CORPORATION | | 1100B0023 | 54497 | MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS |
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Techincal Specification:
| APERTURE DIAMETER | 0.241 INCHES MINIMUM AND 0.246 INCHES MAXIMUM | | BOLT CIRCLE DIAMETER | 0.438 INCHES NOMINAL | | BOLT HOLE QUANTITY | 3 | | GASKET CENTER TO FLAT DISTANCE | 0.380 INCHES NOMINAL | | GASKET CENTER TO SECOND FLAT DISTANCE | 0.380 INCHES NOMINAL | | HOLE DIAMETER | 0.125 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.875 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B211,T6 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 | | SPECIAL FEATURES | ONE 0.067 IN. D1A HOLE LOCATED 90 DEG FROM BOLT HOLES AND 0.375 IN. FROM APERTURE CENTER | | STYLE DESIGNATOR | CIRCULAR W/TWO PERIPHERAL FLATS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 1,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | ANODIZE |
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