5310-01-148-2354 NUT,SELF-LOCKING,HEXAGON Index 5331-01-148-2356 O-RING

National Stock Number:
5310-01-148-2355

Federal Supply Class:
5310

National Item Identification Number:
011482355

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:
72A097201-202976301THE BOEING COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER1.396 INCHES MINIMUM AND 1.416 INCHES MAXIMUM
OVERALL DIAMETER2.458 INCHES MINIMUM AND 2.478 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-5052,H34 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 5052 OVERALL
PERIPHERAL SHAPE STYLEROUND
SPECIFICATION/STANDARD DATA76301-72A097201 MANUFACTURERS STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-A-250/8,H34 FED SPEC 1ST TREATMENT RESPONSE AND 595,PER PS 13646 MIL STD 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE AND ENAMEL AND PAINT OVERALL
THICKNESS0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM


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