7520-00-230-6397 RUBBER STAMP,FIXED TYPE Index 7520-00-230-6409 RUBBER STAMP,FIXED TYPE

National Stock Number:
5310-00-230-6408

Federal Supply Class:
5310

National Item Identification Number:
002306408

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:
S6157-62083-678286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
MATERIALRUBBER SYNTHETIC OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-6855,CL 2 GR 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.310 INCHES NOMINAL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.880 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.120 INCHES NOMINAL
HARDNESS RATING55.0 SHORE DUROMETER A MINIMUM AND
65.0 SHORE DUROMETER A MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE78286
DESIGN CONTROL REFERENCES6157-62083-6


Click here to Register for Free 30-day Trial