5310-01-297-8247 NUT,SELF-LOCKING,SPLINE Index 5330-01-297-8249 SEAL,PLAIN ENCASED

National Stock Number:
5310-01-297-8248

Federal Supply Class:
5310

National Item Identification Number:
012978248

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:
9S101811083CATERPILLAR INC


Techincal Specification:
HOLE DIAMETER0.381 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONM.S.18027,GRADE BA-2310,CAGEC 79788 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER0.750 INCHES NOMINAL
SURFACE TREATMENTRUBBER OVERALL
THICKNESS0.030 INCHES MINIMUM AND 0.036 INCHES MAXIMUM
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR


Click here to Register for Free 30-day Trial