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National Stock Number:
5365-01-523-6648
Federal Supply Class:
5365
National Item Identification Number:
015236648
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:
| 244A847-2 | 03640 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4, T351 ASSN STD ALL MATERIAL RESPONSES | | MATERIAL | ALUMINUM ALLOY 2024 | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SPACER | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL LENGTH | 1.510 INCHES MINIMUM AND 1.570 INCHES MAXIMUM | | OVERALL THICKNESS | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM | | OVERALL WIDTH | 1.150 INCHES MINIMUM AND 1.210 INCHES MAXIMUM | | SPECIAL FEATURES | PFRONT BOTTOM HAS RADIUS OF .13; FRONT VIEW HAS A UPSIDE DOWN U ALL THE WAY THROUGH. IT'S .77 IN FROM THE SIDE TO THE CENTER OF THE RADIUS, AND .43 UP FROM THE BOTTOM TO THE CENTER OF THE RADIUS, WITH A RADIUS OF .34 | | STYLE DESIGNATOR | RECTANGULAR | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541. CLASS 3 MIL SPEC ALL TREATMENT RESPONSES | | SURFACE TREATMENT | ALUMINUM ALLOY |
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