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National Stock Number:
5310-00-965-1802
Federal Supply Class:
5310
National Item Identification Number:
009651802
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:
| 004-002853-804 | 26916 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | MS15795-804 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| MATERIAL | STEEL COMP 304 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.120 INCHES MINIMUM AND | | 0.133 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.307 INCHES MINIMUM AND | | 0.320 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.025 INCHES MINIMUM AND | | 0.040 INCHES MAXIMUM | | NONDEFINITIVE SPEC/STD DATA | A TYPE AND | | 1 GRADE AND | | B CLASS | | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY THE MATERIAL SPEC | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81349 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS15795-804 |
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