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National Stock Number:
5310-01-346-9430
Federal Supply Class:
5310
National Item Identification Number:
013469430
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:
| 10039253 | 61C19 | MIL-COTS CORPORATION | | 12642583 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 12759-00180 | 0Y3H3 | FASTENAL COMPANY | | 12759-00181 | 0Y3H3 | FASTENAL COMPANY | | 25540R1 | 338X5 | ND DEFENSE LLC | | 25540R1 | 89346 | NAVISTAR INTL CORP TRUCK BR OHIO PLANT | | 25847R1 | 03KT1 | ANIXTER | | 25847R1 | 338X5 | ND DEFENSE LLC | | 25847R1 | 89346 | NAVISTAR INTL CORP TRUCK BR OHIO PLANT | | 3011438 | 1EFH8 | GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC. | | 33096 | 0Y3H3 | FASTENAL COMPANY | | 33635 | 0Y3H3 | FASTENAL COMPANY | | 390312C1 | 338X5 | ND DEFENSE LLC | | 390312C1 | 89346 | NAVISTAR INTL CORP TRUCK BR OHIO PLANT |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CENTER HOLE WIDTH | 1.062 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, 1.062 X 2.000 X .209 H | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | NPAC | | SPECIAL FEATURES | 1" HARDENED WASHER NOM ID- 1.062, NOM OD- 2.000, NOM THKNS- .209. STEEL, 1040-1065 PER CEMS A-0, PART 1, QUENCHED AND TEMPERED TO RC 36 TO 42. THESE WASHERS ARE INTENDED FOR USE IN HIGH CLAMPING LOADS, TO MINIMIZE EMBEDDING, AND TO AID TORQUING. | | SURFACE TREATMENT | ZINC OVERALL |
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