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National Stock Number:
5365-01-350-8381
Federal Supply Class:
5365
National Item Identification Number:
013508381
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:
| 748708-4 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| INSIDE DIAMETER | 2.560 INCHES MINIMUM AND 2.580 INCHES MAXIMUM | | OUTSIDE DIAMETER | 2.810 INCHES MINIMUM AND 2.830 INCHES MAXIMUM | | OVERALL THICKNESS | 0.020 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES | | MATERIAL | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | PASSIVATE |
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