5310-01-138-4808 WASHER,SLOTTED Index 1010-01-138-4810 BUFFER,RECOIL MECHANISM

National Stock Number:
5310-01-138-4809

Federal Supply Class:
5310

National Item Identification Number:
011384809

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:
326954310001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
326954319200US ARMY ARDEC RDECOM
5310PL19401429009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH


Techincal Specification:
MATERIALSTEEL COMP 4130 OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.375 INCHES NOMINAL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.730 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.100 INCHES NOMINAL
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND
36.0 ROCKWELL C MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE10001
DESIGN CONTROL REFERENCE3269543


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