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National Stock Number:
5365-00-490-6364
Federal Supply Class:
5365
National Item Identification Number:
004906364
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:
| 3015875 | 00198 | PRATT & WHITNEY CANADA CORP |
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Techincal Specification:
| HARDNESS RATING | 55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM | | INSIDE DIAMETER | 1.340 INCHES MINIMUM AND 1.350 INCHES MAXIMUM | | OUTSIDE DIAMETER | 1.510 INCHES MINIMUM AND 1.530 INCHES MAXIMUM | | OVERALL THICKNESS | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6440 ASSN STD ALL MATERIAL RESPONSES OR AMS 6441 ASSN STD ALL MATERIAL RESPONSES | | MATERIAL | STEEL COMP E52100 | | SPECIAL FEATURES | COUNTERBORED HOLE 1.361 IN. MIN 1.362 IN. MAX DIA,0.150 IN. MIN 0.170 IN. MAX DP |
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