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National Stock Number:
5310-99-914-3227
Federal Supply Class:
5310
National Item Identification Number:
999143227
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:
| 21172-00122 | K0662 | LEONARDO MW LTD | | 28W12664 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY | | B | K7766 | BRITISH STANDARDS INSTITUTION | | 36NG/4456 | U1278 | MINISTRY OF DEFENCE NAVY | | 36NG14456 | U1278 | MINISTRY OF DEFENCE NAVY | | 5UB6185 | U1278 | MINISTRY OF DEFENCE NAVY | | B01698 | F0221 | RATIER FIGEAC | | CX112400-12 | K0642 | GOODRICH ACTUATION SYSTEMS LTD | | PP33960 | K0680 | ROLLS-ROYCE AIRLINES | | B01698 | K0967 | MBDA UK LTD | | SP14B | K4975 | UFC AEROSPACE EUROPE LIMITED | | SP14B | K7766 | BRITISH STANDARDS INSTITUTION | | SP14-B | K7766 | BRITISH STANDARDS INSTITUTION | | SP141SSUE1AMEND2 | K7766 | BRITISH STANDARDS INSTITUTION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.152 INCHES MINIMUM AND 0.157 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | BS S521 NATIONAL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.296 INCHES MINIMUM AND 0.301 INCHES MAXIMUM | | THICKNESS | 0.048 INCHES NOMINAL |
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