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National Stock Number:
5310-00-720-8799
Federal Supply Class:
5310
National Item Identification Number:
007208799
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:
| 31-10-343 | 04579 | AURORA PUMP A UNIT OF GENERAL SIGNAL CORP | | 31-10-343 | 10941 | CARVER PUMP COMPANY | | 31-10-343 | 43491 | GENERAL SIGNAL CORP | | 908 0599 113 | 04579 | AURORA PUMP A UNIT OF GENERAL SIGNAL CORP | | 908-0599-104 | 04579 | AURORA PUMP A UNIT OF GENERAL SIGNAL CORP | | 908-0599-113 | 43491 | GENERAL SIGNAL CORP | | 908-0599-113 | 90598 | ENGINEERED AIR SYSTEMS INC. DBA DRS SUSTAINMENT SYSTEMS | | 9190641 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM | | OVERALL DIAMETER | 0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 302 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.086 INCHES MINIMUM AND 0.102 INCHES MAXIMUM |
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