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National Stock Number:
5310-01-108-7531
Federal Supply Class:
5310
National Item Identification Number:
011087531
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:
| 418730-303 | 96214 | RAYTHEON COMPANY | | NAS1515A04L | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| MATERIAL | RUBBER SYNTHETIC OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ZZ-R-765,CL 1A,GR 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.120 INCHES MINIMUM AND | | 0.130 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.307 INCHES MINIMUM AND | | 0.332 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.021 INCHES MINIMUM AND | | 0.041 INCHES MAXIMUM | | HARDNESS RATING | 45.0 SHORE DUROMETER A MINIMUM AND | | 55.0 SHORE DUROMETER A MAXIMUM | | SPECIAL FEATURES | COLOR CODED BLUE BY EDGE STRIPE NOT LESS THAN 10% OF CIRCUMFERENCE | | SPECIFICATION/STANDARD DATA | 80205-NAS1515 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | MINIMUM TENSILE STRENGTH | 700 POUNDS PER SQUARE INCH |
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