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National Stock Number:
5310-01-005-3198
Federal Supply Class:
5310
National Item Identification Number:
010053198
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:
| 109A541H06 | 04808 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | FF-W-92 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.2625 INCHES MINIMUM AND 0.2745 INCHES MAXIMUM | | OVERALL DIAMETER | 0.4915 INCHES MINIMUM AND 0.5035 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A621 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A622 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A620 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A569 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NONDEFINITIVE SPEC/STD DATA | A TYPE AND 1 GRADE AND A CLASS | | PERIPHERAL SHAPE STYLE | ROUND | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY MATERIAL WHICH MUST BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | SPECIAL TEST FEATURES | SPECIAL QUALITY CONTR0L TESTING | | TEST DATA DOCUMENT | 81349-MIL-P-23199 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 | 0.036 INCHES NOMINAL |
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