5310-01-026-0871 WASHER,FLAT Index 5310-01-026-0874 WASHER,FLAT

National Stock Number:
5310-01-026-0872

Federal Supply Class:
5310

National Item Identification Number:
010260872

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.


Manufacturer Information:
NAS1401-6D580205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM
LENGTH0.650 INCHES MINIMUM AND 0.710 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
PERIPHERAL SHAPE STYLERECTANGULAR
SPECIAL FEATURES0.060 IN. RADIUS ALL CORNERS,0.160 IN. RADIUS ONE SIDE OF ONE END
WIDTH ACROSS FLATS0.650 INCHES MINIMUM AND 0.710 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OR CHROMATE OVERALL
THICKNESS0.160 INCHES NOMINAL


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