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National Stock Number:
5310-01-353-3417
Federal Supply Class:
5310
National Item Identification Number:
013533417
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:
| DAA3144D715-001 | 1W025 | NORTHROP GRUMMAN SYSTEMS CORP | | DAA3144D715-001 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.627 INCHES MINIMUM AND 0.637 INCHES MAXIMUM | | OVERALL DIAMETER | 1.250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-12 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | ROUND WITH FLATS 0.760 IN MIN DIA,0.770 IN MAX DIA WITH WIDTH ACROSS FLATS 0.650 IN MIN,O.66O IN MAX LOCATED AROUND THE CENTER HOLE | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.300 INCHES NOMINAL |
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