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National Stock Number:
5310-99-812-8218
Federal Supply Class:
5310
National Item Identification Number:
998128218
Description:
WASHER,FLAT
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Manufacturer Information:
| BS4320-M20X39X3.3-A2D | K7766 | BRITISH STANDARDS INSTITUTION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 21.00 MILLIMETERS MINIMUM AND 21.50 MILLIMETERS MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 38.20 MILLIMETERS MINIMUM AND 39.00 MILLIMETERS MAXIMUM | | SURFACE TREATMENT | ZINC | | THICKNESS | 2.70 MILLIMETERS MINIMUM AND 3.30 MILLIMETERS MAXIMUM |
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