5340-01-310-1253 BUMPER Index 1940-01-310-1255 BOAT,LANDING,INFLATABLE

National Stock Number:
5365-01-310-1254

Federal Supply Class:
5365

National Item Identification Number:
013101254

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:
ST3M679S876301THE BOEING COMPANY
ST3M679S897393SPS TECHNOLOGIES LLC


Techincal Specification:
INSIDE DIAMETER0.514 INCHES MINIMUM AND 0.521 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OR FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 4130
OUTSIDE DIAMETER0.680 INCHES MINIMUM AND 0.685 INCHES MAXIMUM
OVERALL THICKNESS0.080 INCHES MINIMUM AND 0.085 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTCADMIUM AND CHROMATE


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