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		                        | National Stock Number:
 5310-00-275-1330
 
 Federal Supply Class:
 5310
 
 National Item Identification Number:
 002751330
 
 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:
 
 | 19465RD2CP | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |  | 3N170PC81 | 54370 | ALFA LAVAL INC. |  | 3N171PC81 | 54370 | ALFA LAVAL INC. |  | AA296-1-1 | 54370 | ALFA LAVAL INC. |  | AA296-1-4 | 54370 | ALFA LAVAL INC. |  | AA296-1 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | 
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 Techincal Specification:
 
 | CENTER HOLE SHAPE STYLE | ROUND |  | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |  | HOLE DIAMETER | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626 FED SPEC ALL MATERIAL RESPONSES  OR QQ-B-613 FED SPEC 1ST MATERIAL RESPONSE  OR QQ-B-613 FED SPEC 2ND MATERIAL RESPONSE  OR QQ-B-613 FED SPEC 3RD MATERIAL RESPONSE  OR QQ-B-613 FED SPEC 4TH MATERIAL RESPONSE  OR QQ-B-613 FED SPEC 5TH MATERIAL RESPONSE  OR QQ-B-613 FED SPEC 6TH MATERIAL RESPONSE  OR QQ-B-613 FED SPEC 7TH MATERIAL RESPONSE OVERALL |  | MATERIAL | COPPER ALLOY 230  OR COPPER ALLOY 240  OR COPPER ALLOY 260  OR COPPER ALLOY 268  OR COPPER ALLOY 342  OR COPPER ALLOY 353  OR COPPER ALLOY 11  OR COPPER ALLOY 360  OR COPPER ALLOY 377 OVERALL |  | PERIPHERAL SHAPE STYLE | ROUND |  | OVERALL DIAMETER | 2.042 INCHES MINIMUM AND 2.052 INCHES MAXIMUM |  | THICKNESS | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM | 
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