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National Stock Number:
5310-01-497-3982
Federal Supply Class:
5310
National Item Identification Number:
014973982
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:
| AN960C516 | 1E0F1 | ROLLS ROYCE CORP | | AN960C516 | 63005 | ROLLS-ROYCE CORPORATION | | NAS1149C0563R | 1E0F1 | ROLLS ROYCE CORP | | NAS1149C0563R | 1PN61 | DILLON AERO, INC. | | NAS1149C0563R | 63005 | ROLLS-ROYCE CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CRITICALITY CODE JUSTIFICATION | AGAV | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM | | OVERALL DIAMETER | 0.557 INCHES MINIMUM AND 0.582 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 1/4 HARD(125 KSI) MIL SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 301 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.061 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
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