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National Stock Number:
5365-01-229-1417
Federal Supply Class:
5365
National Item Identification Number:
012291417
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:
| 178AS139 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| BOLT HOLE QUANTITY | 2 | | BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE | 0.190 INCHES NOMINAL | | CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 6.100 INCHES NOMINAL | | HOLE DIAMETER | 0.118 INCHES MINIMUM AND 0.125 INCHES MAXIMUM | | OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH | 0.210 INCHES NOMINAL | | OVERALL LENGTH | 6.500 INCHES NOMINAL | | OVERALL WIDTH | 0.380 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/11,T6 OR T651 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 | | SPECIAL FEATURES | BOLT HOLES COUNTERSUNK 82.0 DEG 0.225 IN. MIN 0.240 IN. MAX DIA | | STYLE DESIGNATOR | NON-CIRCULAR W/SQUARE CORNERS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | CHROMATE |
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