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National Stock Number:
5310-00-441-1102
Federal Supply Class:
5310
National Item Identification Number:
004411102
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:
| 63B52152-7 | 98750 | SAN ANTONIO AIR LOGISTICS CENTER | | 63B52152-7 | 98752 | WARNER ROBINS AIR LOGISTICS CENTER |
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Techincal Specification:
| MATERIAL | STEEL COMP 4130 OR | | STEEL COMP 4140 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624, COMP 4130 OR 4140, COND CF OR HR FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.437 INCHES MINIMUM AND | | 0.469 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 1.234 INCHES MINIMUM AND | | 1.266 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.089 INCHES MINIMUM AND | | 0.099 INCHES MAXIMUM | | SPECIAL FEATURES | WASHER,FLAT; STEEL; CADMIUM PLATED; 1.234 IN. MIN, 1.266 IN. MAX O/A DIA, 0.437 IN. MAX,0.469 IN. MAX CENTER HOLE DIA, 0.089 IN. MIN, 0.099 IN. MAX CROSS-SECT THK |
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