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National Stock Number:
5310-01-562-2963
Federal Supply Class:
5310
National Item Identification Number:
015622963
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:
| NAS1401-4C5G | 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 | 0.255 INCHES MINIMUM AND 0.275 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 1ST MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER,RADIUS | | PERIPHERAL SHAPE STYLE | SQUARE | | SPECIAL FEATURES | ITEM HAS THR PRIMER OPTION PER MIL-PRF-85582,TY I,CL 1A OR 1B; ALL FOUR CORNERS HAVE RADIUS 0.060 INCH | | WIDTH ACROSS FLATS | 0.510 INCHES MINIMUM AND 0.570 INCHES MAXIMUM | | SUPPLEMENTARY FEATURES | ONE SECTION WIDTH IS RADIUS AT 0.160 INCH | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.160 INCHES NOMINAL |
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