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National Stock Number:
5365-01-173-3910
Federal Supply Class:
5365
National Item Identification Number:
011733910
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:
| S8157N170-016 | 2N935 | BOEING DISTRIBUTION SERVICES X, INC. | | S8157N170-016 | 70210 | HONEYWELL INTERNATIONAL INC. |
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Techincal Specification:
| INSIDE DIAMETER | 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM | | OVERALL THICKNESS | 0.014 INCHES MINIMUM AND 0.018 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6721 MIL SPEC ALL MATERIAL RESPONSES OR MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES OR MIL-S-7720 MIL SPEC ALL MATERIAL RESPONSES | | MATERIAL | STEEL COMP 321 OR STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OR STEEL COMP 303 |
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