5310-01-027-5124 WASHER,FLAT Index 5330-01-027-5126 RETAINER,PACKING

National Stock Number:
5310-01-027-5125

Federal Supply Class:
5310

National Item Identification Number:
010275125

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:
21858066503WOODWARD, INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.139 INCHES MINIMUM AND 0.144 INCHES MAXIMUM
OVERALL DIAMETER0.310 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5516 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5513 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OR STEEL COMP 304 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION151,FSCM 66503 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.030 INCHES NOMINAL


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