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National Stock Number:
5365-01-331-1524
Federal Supply Class:
5365
National Item Identification Number:
013311524
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:
| 10119872 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 37431-3 | 09344 | ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS |
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Techincal Specification:
| OVERALL THICKNESS | 0.0582 INCHES MINIMUM AND | | 0.0602 INCHES MAXIMUM | | INSIDE DIAMETER | 2.915 INCHES MINIMUM AND | | 2.925 INCHES MAXIMUM | | OUTSIDE DIAMETER | 3.800 INCHES NOMINAL | | MATERIAL | ALUMINUM ALLOY 2024 | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4,T4 OR T351 FED SPEC ALL MATERIAL RESPONSES OR | | QQ-A-225/6,T4 OR T351 FED SPEC SINGLE MATERIAL RESPONSE | | SURFACE TREATMENT | ANODIZE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE | | SURFACE FINISH | 63.0 MICROINCHES LEFT SIDE | | 63.0 MICROINCHES RIGHT SIDE | | SPECIAL FEATURES | TWO NOTCHES,0.030 IN. DEEP |
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