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National Stock Number:
5365-01-297-7788
Federal Supply Class:
5365
National Item Identification Number:
012977788
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:
| 2080-36 ITEM 5 | 43689 | HUNTINGTON INGALLS INC | | 408-4457282 ITEM 5 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| INSIDE DIAMETER | 2.750 INCHES MINIMUM AND 2.752 INCHES MAXIMUM | | OUTSIDE DIAMETER | 3.248 INCHES MINIMUM AND 3.250 INCHES MAXIMUM | | OVERALL THICKNESS | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 304 | | SPECIAL FEATURES | SPLIT IN HALF AFTER MACHINING WITH A 0.0625 IN. SAW CUT | | SURFACE FINISH | 125.0 MICROINCHES BORE | | SURFACE FINISH | 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER | | SURFACE FINISH | 63.0 MICROINCHES LEFT SIDE | | SURFACE FINISH | 63.0 MICROINCHES RIGHT SIDE |
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