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National Stock Number:
5310-00-522-1475
Federal Supply Class:
5310
National Item Identification Number:
005221475
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:
| 67754 | 80254 | TEXTRON LYCOMING INC WILLIAMSPORT PLANT | | 67754 | R1120 | SATAIR A/S |
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Techincal Specification:
| PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM | | THICKNESS | 0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND W/FLATS | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.7487 INCHES MINIMUM AND 0.7517 INCHES MAXIMUM | | HOLE WIDTH ACROSS FLATS | 0.610 INCHES MINIMUM AND 0.614 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE 5042 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL |
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