5310-00-924-8385 WASHER,FLAT Index 5310-00-924-8387 NUT,PLAIN,SLOTTED,HEXAGON

National Stock Number:
5310-00-924-8386

Federal Supply Class:
5310

National Item Identification Number:
009248386

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:
48416108244MOELLER MFG. COMPANY, LLC
4841611P230SPECIALTY WASHER CO OF SOUTH CAROLINA INC
48416127660INSTRUMATICS INC
48416132543WHITCRAFT LLC
48416177445RTX CORPORATION
484161J1695KITO MFG CO. LTD
484161S0254KITO MFG CO. LTD


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.281 INCHES NOMINAL
OVERALL DIAMETER0.770 INCHES MINIMUM AND 0.790 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 410 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH63.0 MICROINCHES BOTTOM
SURFACE FINISH63.0 MICROINCHES TOP
THICKNESS0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM


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