8415-01-522-7917 LINER,FLYER'S HELMET Index 5310-01-522-7919 WASHER,CONCAVE

National Stock Number:
5310-01-522-7918

Federal Supply Class:
5310

National Item Identification Number:
015227918

Description:
WASHER,CONCAVE

Detail:
A WASHER WHICH IS ROUND WITH A CENTRALLY LOCATED HOLE. ONE BEARING SURFACE IS SMOOTH, FLAT, AND UNBROKEN, THE OTHER BEARING SURFACE IS SMOOTH, UNBROKEN, AND IS RECESSED TO FORM A CURVED OR SPHERICAL CONTOUR. SEE ALSO WASHER (1), CONVEX. EXCLUDES WASHER (1), RECESSED AND BEARING, WASHER, THRUST.


Manufacturer Information:
BACW10CA5CC15653HOWMET GLOBAL FASTENING SYSTEMS INC
BACW10CA5CC56878SPS TECHNOLOGIES, LLC
BACW10CA5CC60119MONADNOCK COMPANY, THE
BACW10CA5CC81205THE BOEING COMPANY
K29913-515653HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
COLORNATURAL OVERALL
HOLE DIAMETER0.420 INCHES MINIMUM AND 0.430 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.123 INCHES MINIMUM AND 0.143 INCHES MAXIMUM
MATERIALSTEEL COMP 630 OVERALL OR STEEL COMP 631 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER, SELF-ALIGNING
PROPRIETARY CHARACTERISTICSPACS
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
OUTSIDE DIAMETER0.645 INCHES MINIMUM AND 0.655 INCHES MAXIMUM
RADIUS0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
SPECIAL FEATURESFORGED OR COINED; HARDNESS 40-43 HRC; TEMPERATURE MAXIMUM 600.0 DEGREES F; 8.0 DEGREE MAXIMUM MISALIGNMENT; TEST LOAD 11500 POUNDS; USED ON DOOR ASSEMBLY-NUMBER 2 PASSENGER (DOORS ONLY)
STYLE DESIGNATORCONCAVE
SURFACE FINISH32.0 MICROINCHES TOP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2416 ASSN STD 1ST TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL


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