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National Stock Number:
5365-01-205-5333
Federal Supply Class:
5365
National Item Identification Number:
012055333
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:
| 1210C1475 | 03538 | LOCKHEED MARTIN CORPORATION | | 1210C1475 | 54497 | MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS |
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Techincal Specification:
| INSIDE DIAMETER | 10.002 INCHES MINIMUM AND 10.006 INCHES MAXIMUM | | OUTSIDE DIAMETER | 10.500 INCHES NOMINAL | | OVERALL THICKNESS | 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A240 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 304 | | SPECIAL FEATURES | OUTSIDE CORNERS CHAMFERED 15 DEGREES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | PASSIVATE |
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