5310-01-028-4448 NUT,SELF-LOCKING,EXTENDED WASHER Index 5331-01-028-4450 O-RING

National Stock Number:
5310-01-028-4449

Federal Supply Class:
5310

National Item Identification Number:
010284449

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:
S8164-22770210HONEYWELL INTERNATIONAL INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HEAT TREATMENTANNEALED
HOLE DIAMETER0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
OVERALL DIAMETER1.140 INCHES MINIMUM AND 1.150 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH100.0 MICROINCHES OUTER
SURFACE FINISH100.0 MICROINCHES INNER
THICKNESS0.070 INCHES MINIMUM AND 0.072 INCHES MAXIMUM


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