|
|
|
National Stock Number:
5365-01-157-2103
Federal Supply Class:
5365
National Item Identification Number:
011572103
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.
|
Manufacturer Information:
| 708-4674145 ITEM 7 | 53711 | NAVAL SEA SYSTEMS COMMAND |
|
Techincal Specification:
| INSIDE DIAMETER | 29.630 INCHES MINIMUM AND 29.635 INCHES MAXIMUM | | OUTSIDE DIAMETER | 31.125 INCHES NOMINAL | | OVERALL THICKNESS | 0.437 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | NICKEL ALLOY 400 | | SPECIAL FEATURES | 40 HOLES EQUALLY SPACED 0.281 IN. DIA,ON BOLT CIRCLE 30.250 IN. DIA |
|
|