2915-99-739-1001 COVER,SCREWED,SPILL Index 2915-99-739-1003 DATUM CAPSULE ASSEM

National Stock Number:
5310-99-739-1002

Federal Supply Class:
5310

National Item Identification Number:
997391002

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:
1541-1034K1464GOODRICH CONTROL SYSTEMS LTD T/A GOODRICH ENGINE CONTROL SYSTEMS
1541-1034U4287ROLLS-ROYCE CONTROLS AND DATA SERVICES LIMITED


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CRITICALITY CODE JUSTIFICATIONAAUB AND ABNM AND ADAV
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.5669 INCHES MINIMUM AND 0.5827 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONDFSM 4080 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER1.4370 INCHES MINIMUM AND 1.4449 INCHES MAXIMUM
SURFACE FINISH125.0 MICROINCHES OUTER
SURFACE FINISH125.0 MICROINCHES TOP
SURFACE FINISH250.0 MICROINCHES BOTTOM
SURFACE FINISH250.0 MICROINCHES INNER
THICKNESS0.1378 INCHES MINIMUM AND 0.1496 INCHES MAXIMUM


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