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National Stock Number:
5310-01-294-0255
Federal Supply Class:
5310
National Item Identification Number:
012940255
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:
| 122-2255891 PC 8 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | STEEL COMP 50B60H OR | | STEEL COMP 51B60H OR | | STEEL COMP 81B45H OR | | STEEL COMP 1038H OR | | STEEL COMP 1045H OR | | STEEL COMP 1330H OR | | STEEL COMP 1335H OR | | STEEL COMP 1340H OR | | STEEL COMP 1345H OR | | STEEL COMP 4027H OR | | STEEL COMP 4032H OR | | STEEL COMP 4037H OR | | STEEL COMP 4042H OR | | STEEL COMP 4047H OR | | STEEL COMP 4130H OR | | STEEL COMP 4135H OR | | STEEL COMP 4137H OR | | STEEL COMP 4140H OR | | STEEL COMP 4142H OR | | STEEL COMP 4145H OR | | STEEL COMP 4147H OR | | STEEL COMP 4150H OR | | STEEL COMP 4320H OR | | STEEL COMP 4340H OR | | STEEL COMP 4620H OR | | STEEL COMP 4621H OR | | STEEL COMP 4815H OR | | STEEL COMP 4820H OR | | STEEL COMP 5120H OR | | STEEL COMP 5130H OR | | STEEL COMP 5132H OR | | STEEL COMP 5135H OR | | STEEL COMP 5140H OR | | STEEL COMP 5145H OR | | STEEL COMP 5147H OR | | STEEL COMP 5160H OR | | STEEL COMP 6150H OR | | STEEL COMP 8617H OR | | STEEL COMP 8620H OR | | STEEL COMP 8622H OR | | STEEL COMP 8630H OR | | STEEL COMP 8640H OR | | STEEL COMP 8642H OR | | STEEL COMP 8645H OR | | STEEL COMP 8650H OR | | STEEL COMP 8655H OR | | STEEL COMP 8660H OR | | STEEL COMP 8720H OR | | STEEL COMP 8740H OR | | STEEL COMP 9310H OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A304 ASSN STD ALL MATERIAL RESPONSES OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.796 INCHES NOMINAL | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 1.688 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.063 INCHES NOMINAL |
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