5360-01-406-2346 SPRING,HELICAL,COMPRESSION Index 5340-01-406-2348 STANDOFF,THREADED,SPACING

National Stock Number:
5310-01-406-2347

Federal Supply Class:
5310

National Item Identification Number:
014062347

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:
609750953711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
MATERIALPLASTIC ACETAL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.969 INCHES MINIMUM AND
0.999 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER1.470 INCHES MINIMUM AND
1.530 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.040 INCHES MINIMUM AND
0.060 INCHES MAXIMUM


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