5306-01-284-2985 BOLT,SELF-LOCKING Index 5310-01-284-2987 WASHER,CONCAVE

National Stock Number:
5310-01-284-2986

Federal Supply Class:
5310

National Item Identification Number:
012842986

Description:
WASHER,CONVEX

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 RAISED TO FORM A CURVED OR SPHERICAL CONTOUR. SEE ALSO WASHER (1), CONCAVE. EXCLUDES BEARING, WASHER THRUST.


Manufacturer Information:
K39781-515653HOWMET GLOBAL FASTENING SYSTEMS INC
M45595/6-0381349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MIL-W-45595/681349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MATERIALSTEEL COMP 8740 OR
STEEL COMP 4130 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR
MIL-S-6758 MIL SPEC 2ND MATERIAL RESPONSE OR
MIL-S-18729 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OR
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND
46.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORCONVEX
HOLE DIAMETER0.323 INCHES MINIMUM AND
0.333 INCHES MAXIMUM
OUTSIDE DIAMETER0.582 INCHES MINIMUM AND
0.592 INCHES MAXIMUM
MATERIAL THICKNESS0.104 INCHES MINIMUM AND
0.124 INCHES MAXIMUM
SURFACE FINISH32.0 MICROINCHES ALL SURFACES
SPECIAL FEATURESSPHERICAL RADIUS 0.365 IN. MIN 0.385 IN. MAX,COUNTERSINK DIA 0.395 IN. MIN 0.405 IN. MAX,COUNTERSINK DEPTH 0.025 IN.,RECESS ANGLE 89 DEG MIN 91 DEG MAX
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMIL-W-45595/6
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEM45595/6-03


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