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National Stock Number:
5310-00-167-0698
Federal Supply Class:
5310
National Item Identification Number:
001670698
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:
| 0187-5 | 56232 | LOCKHEED MARTIN CORPORATION | | 6204 | 36378 | RAYTHEON TECHNICAL SERVICES COMPANY | | 8176678 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | AN960B4 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | B18613 | K0967 | MBDA UK LTD | | B299-125 | 72314 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. | | FFW92 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | NA10447 | 58880 | MEGGITT (NEW HAMPSHIRE), INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM | | OVERALL DIAMETER | 0.307 INCHES MINIMUM AND 0.320 INCHES MAXIMUM | | MATERIAL | COPPER ALLOY 613 OVERALL | | NONDEFINITIVE SPEC/STD DATA | A TYPE AND 1 GRADE AND E CLASS | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.025 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
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