5310-01-219-5407 WASHER,FLAT Index 5310-01-219-5409 WASHER,RECESSED

National Stock Number:
5310-01-219-5408

Federal Supply Class:
5310

National Item Identification Number:
012195408

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:
123W10969-1126512NORTHROP GRUMMAN SYSTEMS CORPORATION
123W10969-1179RG9NORTHROP GRUMMAN SYSTEMS CORPORATION
20-1291VPW8GENERAL DYNAMICS MISSION SYSTEMS, INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.640 INCHES NOMINAL
OVERALL DIAMETER1.183 INCHES MINIMUM AND 1.208 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.125 INCHES NOMINAL


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