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National Stock Number:
5310-01-618-1864
Federal Supply Class:
5310
National Item Identification Number:
016181864
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:
| 24R-113670 | S9285 | RAFAEL ADVANCED DEFENSE SYSTEMS LTD. | | ICI09127 | 1931A | RAFAEL ADVANCED DEFENSE SYSTEMS LTD. | | ICI09127 | S9285 | RAFAEL ADVANCED DEFENSE SYSTEMS LTD. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 12.5 MILLIMETERS MINIMUM AND 13.5 MILLIMETERS MAXIMUM | | MATERIAL | STEEL COMP 1020 OVERALL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | D-SHAPE WASHER, M12 | | PERIPHERAL SHAPE STYLE | DEE | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 33.5 MILLIMETERS MINIMUM AND 34.5 MILLIMETERS MAXIMUM | | WIDTH | 26.7 MILLIMETERS MINIMUM AND 28.2 MILLIMETERS MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TYPE V, FE/ZN 12UM MINIMUM ASSN STD SINGLE TREATMENT RESPONSE AND I.A.W. RAFAEL SPECIFICATION 1713260 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC AND PAINT OVERALL | | THICKNESS | 3.0 MILLIMETERS NOMINAL |
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