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National Stock Number:
5310-01-166-8517
Federal Supply Class:
5310
National Item Identification Number:
011668517
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:
| 120392 | 89346 | NAVISTAR INTL CORP TRUCK BR OHIO PLANT | | ESP-F-15.101-GS | 338X5 | ND DEFENSE LLC | | ESP-F-15.121-PP | 338X5 | ND DEFENSE LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.276 INCHES MINIMUM AND 0.296 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | NPAC | | OVERALL DIAMETER | 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | CEMS G-20, CLASS 6A MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | THICKNESS | 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
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