5310-01-123-8490 NUT,PLAIN,ROUND Index 5310-01-123-8492 WASHER,SADDLE

National Stock Number:
5310-01-123-8491

Federal Supply Class:
5310

National Item Identification Number:
011238491

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:
4202044-133068TRIUMPH ACTUATION SYSTEMS - CONNECTICUT, LLC


Techincal Specification:
MATERIALSTEEL COMP 440C OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPS13145,FSCM 33068 MFR REF SINGLE TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER1.400 INCHES NOMINAL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER1.880 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.029 INCHES MINIMUM AND
0.031 INCHES MAXIMUM
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND
62.0 ROCKWELL C MAXIMUM


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