5307-01-612-6443 STUD,CONTINUOUS THREAD 5310-01-193-0868 NUT,SELF-LOCKING,EXTENDED WASHER

National Stock Number:
5310-00-839-1839

Federal Supply Class:
5310

National Item Identification Number:
008391839

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:
AN960PD401688044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
NAS1149D4090J80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 OVERALL
SURFACE TREATMENTANODIZE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER2.515 INCHES NOMINAL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER3.250 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.090 INCHES NOMINAL
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEAN960PD4016


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