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National Stock Number:
5365-01-300-5181
Federal Supply Class:
5365
National Item Identification Number:
013005181
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:
| 342646-1 | 96214 | RAYTHEON COMPANY |
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Techincal Specification:
| APERTURE DIAMETER | 3.000 INCHES NOMINAL | | LARGEST BOLT HOLE DIAMETER | 0.297 INCHES NOMINAL | | LARGEST BOLT HOLE QUANTITY | 6 | | OUTSIDE DIAMETER | 4.200 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,TEMPER T651 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 6061 | | SPECIAL FEATURES | 6 HOLES THD 0.138-32 UNC-2B AROUND BOLT CIRCLE | | SMALLEST BOLT HOLE DIAMETER | 0.172 INCHES NOMINAL | | SMALLEST BOLT HOLE QUANTITY | 1 | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | CHROMATE |
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