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Washer, Recessed Countersunk - Nominal Size: 5/16, Countersunk On Both Sides, For Use With Wheel Bolts And Nutsup To And Including 180 Ksi Ftu

Detail Characteristic
BOTTOM RECESS ANGLE90.0 DEGREES NOMINAL
BOTTOM RECESS DIAMETER0.399 INCHES MINIMUM AND 0.409 INCHES MAXIMUM
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.314 INCHES MINIMUM AND 0.318 INCHES MAXIMUM
OUTSIDE DIAMETER0.610 INCHES MINIMUM AND 0.620 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059,TY 302,1/2 HARD MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-18729 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.114 INCHES MINIMUM AND 0.124 INCHES MAXIMUM
MATERIALSTEEL COMP 4130 OVERALL
STYLE DESIGNATORRECESSED BOTH SIDES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
TOP RECESS ANGLE90.0 DEGREES NOMINAL
TOP RECESS DIAMETER0.399 INCHES MINIMUM AND 0.409 INCHES MAXIMUM

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Unit of Measure

Inventory

 N/A {12}

Estimated Ship Date

 N/A Ships in 1 Business Day

Inventory Note

 N/A Need additional stock? Call (877) 920-1876 or email

Head Type

 N/A Recessed Countersunk

Tensile Strength

 N/A 180 ksi

Industry Standards/Certification

 N/A MS14155

Nominal Size

 N/A 5/16 in

Dimension B

 N/A 0.615 in

Inside Diameter

 N/A 0.404 in

Inside Diameter Tolerance

 N/A ±0.005 in

Weight

 N/A 0.007 lb

Dimension B Tolerance

 N/A ±0.005 in

Dimension D

 N/A 0.316 in

Dimension D Tolerance

 N/A ±0.002 in

Dimension V

 N/A 0.119 in

Dimension V Tolerance

 N/A ±0.005 in

NSN

 N/A 5310-01-066-9076

NIIN

 N/A 01-066-9076

Part # Unpunctuated

 N/A MS141555

Minimum Order Note

 N/A Minimum order is 10. Must order in increments of 10.

Note

 N/A Our inventory is extensive. The majority of the items listed in our catalog are stocked and available for immediate shipment.

California Residents

 N/A Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.