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National Stock Number:
5310-01-562-2943
Federal Supply Class:
5310
National Item Identification Number:
015622943
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:
| NAS1401-5C3G | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5512 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER,RADIUS | | PERIPHERAL SHAPE STYLE | SQUARE | | SPECIAL FEATURES | ITEM HAS A PRIMER OPTION PER MIL-PRF-85582,TY I,CL 1A OR 1B; ALL FOUR CORNERS ARE RADIUS 0.060 INCH | | WIDTH ACROSS FLATS | 0.580 INCHES MINIMUM AND 0.640 INCHES MAXIMUM | | SUPPLEMENTARY FEATURES | ONE WIDTH SECTION IS RADIUS 0.090 INCH | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.090 INCHES NOMINAL |
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