5310-00-637-2248 WASHER,FLAT Index 5310-00-637-2259 WASHER,FLAT

National Stock Number:
5365-00-637-2255

Federal Supply Class:
5365

National Item Identification Number:
006372255

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:
S8157N148-032G70210HONEYWELL INTERNATIONAL INC.
S8157N148-032G72599ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO


Techincal Specification:
INSIDE DIAMETER0.636 INCHES MINIMUM AND 0.646 INCHES MAXIMUM
OUTSIDE DIAMETER0.780 INCHES MINIMUM AND 0.790 INCHES MAXIMUM
OVERALL THICKNESS0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6721 MIL SPEC ALL MATERIAL RESPONSES OR MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES OR MIL-S-7720 MIL SPEC ALL MATERIAL RESPONSES
MATERIALSTEEL COMP 321 OR STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OR STEEL COMP 303
SPECIAL FEATURESDRY FILM LUBRICANT PER EMS 242 TY 1 CAGEC 70210


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