3040-01-502-2986 GUIDE,PISTON ROD Index 9330-01-502-2988 PLASTIC MATERIAL,CELLULAR

National Stock Number:
5365-01-502-2987

Federal Supply Class:
5365

National Item Identification Number:
015022987

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:
556-7015824-3953711NAVAL SEA SYSTEMS COMMAND
701582453711NAVAL SEA SYSTEMS COMMAND
H791-2701-3996169ELECTRIC BOAT CORPORATION


Techincal Specification:
INSIDE DIAMETER1.770 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CL304, COND A FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 304
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER2.040 INCHES MINIMUM AND 2.046 INCHES MAXIMUM
OVERALL THICKNESS0.250 INCHES NOMINAL
SPECIAL FEATURESDWG IS EXPORT CONTROLLED


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