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National Stock Number:
5365-00-619-8095
Federal Supply Class:
5365
National Item Identification Number:
006198095
Description:
SPACER,RING
Detail:
A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see GASKET. For items manufactured from lubricated plastics, see BEARING, WASHER, THRUST. For items manufactured from lubricated felt, see FELT, MECHANICAL, PREFORMED. Excludes DISK, VALVE; INSULATOR WASHER; and SHIM. See also SPACER, PLATE and SPACER, SLEEVE.
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Manufacturer Information:
| 522151-21 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | SUPP | | HARDNESS RATING | 56.0 ROCKWELL SUPERFICIAL 30-T MINIMUM AND 68.0 ROCKWELL SUPERFICIAL 30-T MAXIMUM | | INSIDE DIAMETER | 3.625 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4507 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | COPPER ALLOY 260 | | III FSC APPLICATION DATA | PROPELLER,AIRCRAFT,VARIABLE PITCH | | III SUPPLEMENTARY FEATURES | SHIM MUST HAVE A THICKNESS ACCURATE TO .001" TO ENSURE CORRECT BUILD UP AND SAFE OPERATION OF THE PROPELLER | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SHIM-BLADE | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 4.78 INCHES NOMINAL | | OVERALL THICKNESS | 0.021 INCHES NOMINAL |
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