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National Stock Number:
5310-01-189-8478
Federal Supply Class:
5310
National Item Identification Number:
011898478
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:
| 27E16 | 12603 | CLARK EQUIPMENT CO | | 2CD866 | 45152 | OSHKOSH CORP | | 4-949-000359 | 0MKW7 | MINNPAR, LLC | | 7-949-000359 | 0MKW7 | MINNPAR, LLC | | 6-294-003907 | 12361 | GROVE U.S. LLC | | 2CD866 | 75Q65 | OSHKOSH DEFENSE LLC | | 7-949-000359 | 12361 | GROVE U.S. LLC | | 7949000359 | 12361 | GROVE U.S. LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 1.055 INCHES MINIMUM AND 1.092 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A325 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A325 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A325 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A325 ASSN STD 4TH MATERIAL RESPONSE OR ASTM A325 ASSN STD 5TH MATERIAL RESPONSE OR ASTM A325 ASSN STD 6TH MATERIAL RESPONSE OR ASTM A325 ASSN STD 7TH MATERIAL RESPONSE OR ASTM A325 ASSN STD 8TH MATERIAL RESPONSE OR ASTM A490 ASSN STD 9TH MATERIAL RESPONSE OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | MATERIAL | STEEL UNS K02706 OR STEEL UNS K11900 OR STEEL UNS K12033 OR STEEL UNS K12059 OR STEEL UNS K12238 OR STEEL UNS K12254 OR STEEL UNS K13643 OR STEEL UNS K14358 OR STEEL UNS K03900 OVERALL | | OVERALL DIAMETER | 1.993 INCHES MINIMUM AND 2.030 INCHES MAXIMUM | | THICKNESS | 0.136 INCHES MINIMUM AND 0.177 INCHES MAXIMUM |
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