5310-01-418-9755 WASHER,FLAT Index 5340-01-418-9757 STRAP,RETAINING

National Stock Number:
5310-01-418-9756

Federal Supply Class:
5310

National Item Identification Number:
014189756

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:
4D0053-8F18-310630ANILLO INDUSTRIES LLC
4D0053-8F18-358009MOELLER MANUFACTURING & SUPPLY, LLC
4D0053-8F18-388277THE BOEING COMPANY


Techincal Specification:
MATERIALSTEEL CORROSION RESISTING OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.505 INCHES MINIMUM AND
0.525 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER1.120 INCHES MINIMUM AND
1.145 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.027 INCHES MINIMUM AND
0.037 INCHES MAXIMUM


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