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National Stock Number:
5365-01-232-3937
Federal Supply Class:
5365
National Item Identification Number:
012323937
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:
| 75A581121 | 76301 | THE BOEING COMPANY | | 75A581121-2001 | 2B834 | ESSNER MANUFACTURING LP | | 75A581121-2001 | 30205 | MERCER PRODUCTS & MANUFACTURING COMPANY | | 75A581121-2001 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| APERTURE DIAMETER | 2.470 INCHES MINIMUM AND 2.490 INCHES MAXIMUM | | BOLT CIRCLE DIAMETER | 2.967 INCHES MINIMUM AND 2.973 INCHES MAXIMUM | | BOLT HOLE QUANTITY | 4 | | HOLE DIAMETER | 0.255 INCHES MINIMUM AND 0.262 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/5,COND T81 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 | | OUTSIDE DIAMETER | 3.750 INCHES MINIMUM AND 3.810 INCHES MAXIMUM | | SPECIAL FEATURES | BOLT HOLES CTRSK FOR BOLT P/N ST3M466V4 | | STYLE DESIGNATOR | CIRCULAR |
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