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National Stock Number:
5310-01-525-0113
Federal Supply Class:
5310
National Item Identification Number:
015250113
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:
| LP399-M24-CR-1-4122 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED | | S24CR1.4122 | 9M527 | SCHNORR CORP |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 25.6 MILLIMETERS NOMINAL | | OVERALL DIAMETER | 38.0 MILLIMETERS NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, SAFETY | | PERIPHERAL SHAPE STYLE | ROUND | | SUPPLEMENTARY FEATURES | MECHANICAL SPRING IN THE FORM OF A SHALLOW CONE HAVING A TRAPEZODIAL CROSS-SECTION WITH CENTRAL CLEARANCE HOLE; BOTH THE TOP AND BOTTOM FACES OF THE WASHER HAVE RADIAL SERRATIONS; ITEM PROVIDES POSITIVE LOCKING OF THREADED COMPONENTS | | THICKNESS | 2.9 MILLIMETERS NOMINAL |
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