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National Stock Number:
5310-99-807-5607
Federal Supply Class:
5310
National Item Identification Number:
998075607
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:
| 22186 | U0789 | LUCAS SERVICE UK LTD | | 27577 | U0789 | LUCAS SERVICE UK LTD | | 502220 | U0041 | PRESTOLITE ELECTRIC LIMITED TEMS | | 502220 | U0789 | LUCAS SERVICE UK LTD | | 502212 | U0789 | LUCAS SERVICE UK LTD | | 502220 | U2751 | LUCAS CAV | | LV6MT12SS22186 | U1269 | MINISTRY OF DEFENCE - DEFENCE LOGIST S ORGANISATION DLO | | LV6MT12SS27577 | U1269 | MINISTRY OF DEFENCE - DEFENCE LOGIST S ORGANISATION DLO |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 8.10 MILLIMETERS MINIMUM AND 8.20 MILLIMETERS MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | BS 1470 S1C CONDITION O NATIONAL SPEC 1ST MATERIAL RESPONSE OVERALL OR BS 899 CONDITION O NATIONAL SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 11.10 MILLIMETERS MINIMUM AND 11.50 MILLIMETERS MAXIMUM | | THICKNESS | 0.814 MILLIMETERS MINIMUM AND 1.014 MILLIMETERS MAXIMUM |
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