5305-00-413-9814 SCREW,CLOSE TOLERANCE Index 5310-00-413-9817 NUT,SELF-LOCKING,PLATE

National Stock Number:
5310-00-413-9815

Federal Supply Class:
5310

National Item Identification Number:
004139815

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:
434870UES3MID-AMERICA AEROTECH, LLC
4348719156MOOG INC
4348779294E-SYSTEMS INC MONTEK DIV FLUID CONTROLS OPNS
4348794697MOOG INC


Techincal Specification:
MATERIALSTEEL COMP 301 OR
STEEL COMP 302 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 HALF HARD TO FULL HARD MIL SPEC ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTNICKEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-2607 CLASS 2 GRADE A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.280 INCHES MINIMUM AND
0.290 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.545 INCHES MINIMUM AND
0.555 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.038 INCHES MINIMUM AND
0.042 INCHES MAXIMUM


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