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National Stock Number:
5310-01-092-8735
Federal Supply Class:
5310
National Item Identification Number:
010928735
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:
| 10122118 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 2607094 | 55284 | HONEYWELL INTERNATIONAL INC. | | 2609289 | 55284 | HONEYWELL INTERNATIONAL INC. | | DB1848 | Z4660 | ROSEBANK ENGINEERING | | DB1848 | Z4978 | ROSEBANK ENGINEERING PTY LTD |
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Techincal Specification:
| MATERIAL | STEEL COMP 321 OR | | STEEL COMP 347 OR | | STEEL COMP 348 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ES-091,FSCM 55284 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.125 INCHES MINIMUM AND | | 0.135 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.307 INCHES MINIMUM AND | | 0.332 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.015 INCHES MINIMUM AND | | 0.026 INCHES MAXIMUM | | HEAT TREATMENT | ANNEALED | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 55284 | | DESIGN CONTROL REFERENCE | 2609289 |
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