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National Stock Number:
5310-00-153-0990
Federal Supply Class:
5310
National Item Identification Number:
001530990
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:
| 732107-3 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 79.4 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 83.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM | | HOLE DIAMETER | 0.196 INCHES MINIMUM AND 0.199 INCHES MAXIMUM | | OVERALL DIAMETER | 0.304 INCHES MINIMUM AND 0.305 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 631 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | TEST DATA DOCUMENT | 73030-MAGNETIC INSPECTION HS447 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). | | THICKNESS | 0.044 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
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