5310-14-439-7938 WASHER,FLAT Index 5310-14-439-7940 WASHER,FLAT

National Stock Number:
5310-14-439-7939

Federal Supply Class:
5310

National Item Identification Number:
144397939

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:
0243397K00F0555MBDA FRANCE
0243397K00F9073AIRBUS DEFENCE AND SPACE SAS
1501054R00F9073AIRBUS DEFENCE AND SPACE SAS
185667886FAQ15SAFRAN ELECTRONICS & DEFENSE
192323202FAQ15SAFRAN ELECTRONICS & DEFENSE
435322F0016PANHARD GENERAL DEFENSE
99152516D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
99152516F6481THALES SA
99160579F6481THALES SA
99161068F6481THALES SA
AA018479
CS1.000.150F0569SOCIETE ETUDES CONSTRUCTIONSAERONAVALES
E25514B40ZJAPAF0110AFNOR ASSOCIATION FRANCAISE DE NORMALISATION
E25514B40ZTAF0110AFNOR ASSOCIATION FRANCAISE DE NORMALISATION
E25514B40ZTAF0434ALIGN AEROSPACE FRANCE SAS
E25514B40ZTAF1236PREAULT TECHNOLOGIES
E25514B40ZTAPAF0110AFNOR ASSOCIATION FRANCAISE DE NORMALISATION
E25514B40ZTAPAF1236PREAULT TECHNOLOGIES
RONDELLE M4/A4-160HV/PASSIVEF6481THALES SA
RONDELLE M4A CLASSE A4 E25514F6481THALES SA
S1ZT040AF0110AFNOR ASSOCIATION FRANCAISE DE NORMALISATION
S1ZT040APAF0110AFNOR ASSOCIATION FRANCAISE DE NORMALISATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER4.3 MILLIMETERS NOMINAL
MATERIALSTEEL COMP A4 OVERALL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER8.0 MILLIMETERS NOMINAL
SURFACE TREATMENTPASSIVATE OVERALL
TEST DATA DOCUMENTF0110 A03-154 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
THICKNESS0.8 MILLIMETERS NOMINAL


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