5340-14-343-6444 CLAMP,LOOP Index 5310-14-343-6454 WASHER,FLAT

National Stock Number:
5310-14-343-6453

Federal Supply Class:
5310

National Item Identification Number:
143436453

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:
23111AG030LEF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
23111AG030LEF0188BLANC AERO INDUSTRIES - GROUPE LISIAEROSPACE
23111AG030LEF0210AIRBUS HELICOPTERS (ETS DEMARIGNANE)
23111AG030LEF1236PREAULT TECHNOLOGIES
23111AG030LEF6760DEMAT SA
23111AG030LEF7411MECAERO ARCONIC FASTENING SYSTEMS AND RINGS TOULOUSE
L23111-30AGLEF0111BUREAU NORMALISATION AERONAUTIQUEESPACE
A1236282F9111THALES AVS FRANCE SAS


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER3.25 MILLIMETERS MINIMUM AND 3.43 MILLIMETERS MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONF0111 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XC38 OVERALL
III HEAT TREATMENTAS FABRICATED
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER6.0 MILLIMETERS NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNF L 09-753 CODE LE NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
THICKNESS0.8 MILLIMETERS NOMINAL


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