4820-00-045-5310 DISK,VALVE Index 5910-00-045-5315 CAPACITOR,FIXED,CERAMIC DIELECTR

National Stock Number:
5310-00-045-5312

Federal Supply Class:
5310

National Item Identification Number:
000455312

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:
1-118195-30396795GOULD INSTRUMENT SYSTEMS INC
860135-106481NORTHROP GRUMMAN SYSTEMS CORPORATION
860135-113973LITTON SYSTEMS INC. DIV NAVIGATION SYSTEMS DIVISION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.089 INCHES MINIMUM AND 0.098 INCHES MAXIMUM
OVERALL DIAMETER0.250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.016 INCHES MINIMUM AND 0.025 INCHES MAXIMUM


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