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National Stock Number:
5365-00-913-4118
Federal Supply Class:
5365
National Item Identification Number:
009134118
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:
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Techincal Specification:
| OUTSIDE DIAMETER | 2.957 INCHES MINIMUM AND 2.963 INCHES MAXIMUM | | OVERALL THICKNESS | 0.0508 INCHES NOMINAL | | INSIDE DIAMETER | 2.797 INCHES MINIMUM AND 2.803 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | COPPER | | SPECIAL FEATURES | A. EXTERNAL KEY /1/ 0.036 IN. MIN,0.038 IN. MAX W,/2/ 0.020 IN. MIN,0.022 IN. MAX H |
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