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National Stock Number:
5365-01-141-5212
Federal Supply Class:
5365
National Item Identification Number:
011415212
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:
| 13059358 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| APERTURE DIAMETER | 0.311 INCHES MINIMUM AND 0.318 INCHES MAXIMUM | | BOLT CIRCLE DIAMETER | 3.500 INCHES NOMINAL | | BOLT HOLE QUANTITY | 2 | | HOLE DIAMETER | 0.280 INCHES MINIMUM AND 0.286 INCHES MAXIMUM | | OUTSIDE DIAMETER | 4.620 INCHES NOMINAL | | OVERALL THICKNESS | 1.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8, T6 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 | | SPECIAL FEATURES | A POSITIONING HOLE IS LOCATED NOMINALLY 1.609 INCHES TO THE LEFT OF THE APERTURE; POSITIONING HOLE HAS MINIMAL DIAMETER OF 0.721 INCHES AND MAXIMUM DIAMETER OF 0.741 INCHES | | STYLE DESIGNATOR | CIRCULAR | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171 MIL SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | ANODIZE |
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