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National Stock Number:
5365-01-216-7786
Federal Supply Class:
5365
National Item Identification Number:
012167786
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:
| 8428291 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| INSIDE DIAMETER | 2.930 INCHES MINIMUM AND 2.935 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-11415,CLASS E-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 3.620 INCHES MINIMUM AND 3.630 INCHES MAXIMUM | | OVERALL THICKNESS | 0.656 INCHES NOMINAL | | SPECIAL FEATURES | SPACER HAS A C-BORE DIA 3.180-3.190 IN.; 2 HOLES 10-32UNF-2B; 2 HOLES 5-16/24UNF-2B; 2 HOLES 0.191-0.201 IN. DIA; 4 HOLES SIDE WAYS THRU 0.302-0.317 IN. DIA | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | CADMIUM AND CHROMATE |
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