1560-00-804-9976 SPACER,CLUTCH CYLINDER Index 1560-00-804-9978 SCREW ASSEMBLY,ADJUSTMENT

National Stock Number:
5310-00-804-9977

Federal Supply Class:
5310

National Item Identification Number:
008049977

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:
3-51228-10JRC1NORTHROP GRUMMAN TECHNICAL SERVICES, INC.
3-51228-176823NORTHROP GRUMMAN SYSTEMS CORPORATION
3-51228-179U29NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLEBLANK RECTANGULAR
HOLE DIAMETER1.125 INCHES NOMINAL
OUTSIDE LEFT CORNER CHAMFER ANGLE45.0 DEGREES NOMINAL
OVERALL DIAMETER1.849 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 4130 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.090 INCHES NOMINAL


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