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National Stock Number:
5310-14-308-7551
Federal Supply Class:
5310
National Item Identification Number:
143087551
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:
| 15000161 | F1688 | GOODRICH ACTUATION SYSTEMS SAS VERNON | | 15000161 | FA3T0 | LUCAS AEROSPACE FMS SAS FILIALE DE LUCAS FRANCE SA | | 23117CA020 | F0111 | BUREAU NORMALISATION AERONAUTIQUEESPACE | | 3014-094 | F1688 | GOODRICH ACTUATION SYSTEMS SAS VERNON | | 3014-094 | F6103 | LUCAS FRANCE SA DIV AEROSPACE FRANCE | | 3014-094 | FA3T0 | LUCAS AEROSPACE FMS SAS FILIALE DE LUCAS FRANCE SA | | L23117-20CA | F0111 | BUREAU NORMALISATION AERONAUTIQUEESPACE | | 410015004020 | F6306 | S.F.E.N.A. STE FRANCAISE D'EQUIPEMENTS POUR LA NAVIGATION AER | | 410015004020 | F9111 | THALES AVS FRANCE SAS |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 2.20 MILLIMETERS MINIMUM AND 2.29 MILLIMETERS MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | F3025 MIL STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP Z3CN18-10 OVERALL | | III HEAT TREATMENT | AS FABRICATED | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 4.5 MILLIMETERS NOMINAL | | SPECIAL FEATURES | MIN. TENSILE STRENGTH: 440 NEWTONS PER SQ. MM; MIN. YIELD STRENGTH: 170 NEWTONS PER SQ. MM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NF L 09-753 CODE PA NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.3 MILLIMETERS NOMINAL |
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