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National Stock Number:
5310-00-756-6054
Federal Supply Class:
5310
National Item Identification Number:
007566054
Description:
WASHER,FLAT
Detail:
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.
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Manufacturer Information:
| 2620-906X12PC12 | 28968 | CIRCOR INSTRUMENTATION TECHNOLOGIES, INC. | | 2620-906X12PC12CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 90228-1 | 28968 | CIRCOR INSTRUMENTATION TECHNOLOGIES, INC. | | 90228-1CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | SS845-2110227PC12 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | SS845-2110227PC12CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CRITICALITY CODE JUSTIFICATION | ZZZY | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.155 INCHES MINIMUM AND 0.157 INCHES MAXIMUM | | OVERALL DIAMETER | 0.295 INCHES MINIMUM AND 0.298 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 3652 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL | | MINIMUM TENSILE STRENGTH | 1500 POUNDS PER SQUARE INCH | | PERIPHERAL SHAPE STYLE | ROUND | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D | | THICKNESS | 0.031 INCHES NOMINAL |
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