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National Stock Number:
5310-00-264-1389
Federal Supply Class:
5310
National Item Identification Number:
002641389
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:
| 310-0751-030 | 13499 | ROCKWELL COLLINS, INC. | | 401-6357235-35 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 4197412-001 | 05869 | RAYTHEON COMPANY | | 4197412-16 | 05869 | RAYTHEON COMPANY | | 512-3 | 1LQK8 | KEYSIGHT TECHNOLOGIES, INC. | | 4197412-001 | 82577 | RAYTHEON COMPANY | | 8193544 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 512-3 | 28480 | HEWLETT-PACKARD COMPANY | | 812304-00 | 32345 | DEFENSE REDUCTION AGENCY | | AN961-8T | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | | AN961-8T | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 270 OR | | COPPER ALLOY 268 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE1/2 HARD ASSN STD 1ST MATERIAL RESPONSE AND | | QQ-B-626 1/2 HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | TIN OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-T-10727,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.164 INCHES MINIMUM AND | | 0.184 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.370 INCHES MINIMUM AND | | 0.395 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.022 INCHES MINIMUM AND | | 0.042 INCHES MAXIMUM |
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