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National Stock Number:
5310-01-618-5883
Federal Supply Class:
5310
National Item Identification Number:
016185883
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:
| 03311M1319 | 02591 | NAVAL AIR WARFARE CTR AIRCRAFT DIV | | 03311M1319-101 | 02591 | NAVAL AIR WARFARE CTR AIRCRAFT DIV | | 75A324072-2001 | U9143 | BAE SYSTEMS (OPERATIONS) LIMITED |
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Techincal Specification:
| END CUT ANGLE | 40.0 RADIANS NOMINAL | | CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.203 INCHES MINIMUM AND 0.204 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059,1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | CUDDLE WASHER FRAME 29 | | MATERIAL | STEEL COMP 301 OVERALL | | PERIPHERAL SHAPE STYLE | SQUARE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002,TYPE 1 MIL SPEC 1ST TREATMENT RESPONSE AND EPOXY PRIMER PER MIL-PRF-23377,TYPE I,CL C2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | | | THICKNESS | 0.16 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.500 INCHES NOMINAL |
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