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National Stock Number:
5310-00-989-5879
Federal Supply Class:
5310
National Item Identification Number:
009895879
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:
| 2526834 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 2526834 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| APERTURE DIAMETER | 0.874 INCHES MINIMUM AND 0.878 INCHES MAXIMUM | | CROSS-SECTIONAL THICKNESS | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.204 INCHES MINIMUM AND 1.214 INCHES MAXIMUM | | MAXIMUM PRESSURE RATING | 8000.00 POUNDS PER SQUARE INCH | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SEAL,UPPER | | SPECIAL TEST FEATURES | MATERIAL: UNREINFORCED POLYOXYMETHYLENE HOMOPOLYMER BAR STOCK I/A/W ASTM D 6778 GROUP 01,CLASS 1,GRADE 1-5 | | STYLE DESIGNATOR | CIRCULAR | | SUPPLEMENTARY FEATURES | GASKET |
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