5305-14-040-6689 SCREW Index 5310-14-040-6706 WASHER,RECESSED

National Stock Number:
5310-14-040-6703

Federal Supply Class:
5310

National Item Identification Number:
140406703

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:
0212417W00F0555MBDA FRANCE
0212417W00CLF0555MBDA FRANCE
23111BC040LF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
23111BC040LF0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
23111BC040LF0236SAINT CHAMOND GRANAT SA
23111BC040LF0434ALIGN AEROSPACE FRANCE SAS
L23111-40BCLF0074BOMAP STE DE BOULONNERIE ET DE MATRICAGE DE PRECISION SA
L23111-40BCLF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
L23111-40BCLF0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
L23111-40BCLF0236SAINT CHAMOND GRANAT SA
3511BC040LF6117DASSAULT AVIATION
23111BC040LF6760DEMAT SA
23111BC040LF7411MECAERO ARCONIC FASTENING SYSTEMS AND RINGS TOULOUSE
413432F7761NSE
L23111-40BCLF0350TPC
L23111-40BCLF0434ALIGN AEROSPACE FRANCE SAS
L23111-40BCLF2094SNEP
L23111-40BCLF2264PRESSES DE MONTREUIL LES SARL


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER4.25 MILLIMETERS MINIMUM AND 4.43 MILLIMETERS MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONF3025 AIR 9160C MIL STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 35NC6 OVERALL
III MINIMUM TENSILE STRENGTH880 NEWTONS PER SQUARE MILLIMETER
III MINIMUM YIELD STRENGTH740 NEWTONS PER SQUARE MILLIMETER
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER8.0 MILLIMETERS NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNFL 09-753 CODE L NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
THICKNESS0.8 MILLIMETERS NOMINAL


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