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National Stock Number:
5365-00-137-2944
Federal Supply Class:
5365
National Item Identification Number:
001372944
Description:
SHIM
Detail:
A thin flat metal or plastic item of various peripheral shapes having a solid or laminated cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole and having a solid rectangular cross-section use DISK, SOLID, PLAIN. Items with either (1) a solid (not laminated) cross-section, or (2) a non-separable laminated cross-section with one hole centrally located, must have a thickness less than 0.006 inch (0.152 mm) for items less than 1/4 inch (6.35 mm) outside diameter or shortest distance across peripheral flats, and less than 0.016 inch (0.406 mm) for items 1/4 inch (6.35 mm) or more outside diameter, or shortest distance across peripheral flats. For items with thickness greater than those indicated above, see SPACER, PLATE; WASHER, FLAT and SPACER, RING. When thickness and/or outside diameter or shortest distance across peripheral flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance. See also SHIM STOCK, LAMINATED; SHIM STOCK ASSORTMENT, GASKET; and BEARING, WASHER, THRUST.
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Manufacturer Information:
| SS52M3020Y3290 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| APERTURE DIAMETER | 3.015 INCHES MINIMUM AND 3.025 INCHES MAXIMUM | | CONSTRUCTION | LAMINATED | | FEATURES PROVIDED | SEPARABLE | | LAMINATION QUANTITY | 15 | | LAMINATION THICKNESS | 0.002 INCHES NOMINAL | | OUTSIDE DIAMETER | 3.280 INCHES MINIMUM AND 3.300 INCHES MAXIMUM | | OVERALL THICKNESS | 0.030 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-22499 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | COPPER ALLOY 260 | | STYLE DESIGNATOR | CIRCULAR |
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