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National Stock Number:
5310-01-509-3875
Federal Supply Class:
5310
National Item Identification Number:
015093875
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:
| 5793547-1 | 31442 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 5793547-1 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | GLUE OVERALL | | SURFACE TREATMENT | PRIMER AND | | PAINT OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-DTL-24441/29, FORMULA 150, TY IV MIL SPEC 1ST TREATMENT RESPONSE AND | | MIL-DTL-24441/32, FORMULA 153, TY IV, USED FOR BLACK MIL SPEC 2ND TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 3.000 INCHES NOMINAL | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 7.000 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.063 INCHES NOMINAL | | COLOR | GREEN OVERALL | | SPECIAL FEATURES | MADE FROM EPOXY RESIN; HAS 6 HOLES 0.547 INCH IN DIAMETER DRILLED THRU, SEE DRAWING FOR PLACEMENT | | SUPPLEMENTARY FEATURES | DRAWING CALLS THIS: WASHER,ISOLATION,COMPOSITE, PROP | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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