5/16" x 2-1/2" Standard Size (0.0002 Over Diameter)
Product Code Number 11121

Nominal Size or Nominal Pin Diameter Pin Diameter Point Diameter Crown Height or Radius Double Shear Load, Min., Lb. Length, Overall Suggested Hole Diameter
Standard Series Pins
Basic Max Min Max Min Max Min Max Min
5/16 (0.3125) 0.3127 0.3128 0.3126 0.302 0.290 0.104 0.039 20,000 2-1/2 0.3125 0.3120
Notes: 1 4    17  5, 6, 7 16

NOTES: (7) Effective Length  (14) Designation
(1) Size (8) Straightness (15) Installation Warning
(2) Roundness (9) Surface Roughness  (16) Hole Sizes
(3) End Contours (10) Material (17) Design Calculations
(4) Point Concentricity  (11) Heat Treatment (18) Responsibility for Modifications
(5) Length Measurement  (12) Finishes (19) Oversized Series Pins
(6) Tolerance on Length (13) Workmanship   

Reprinted from ASME/ANSI B18.3 by permission of The American Society of Mechanical Engineers.  All rights reserved.  For a full copy of the standards, contact the ASME at http://www.asme.org/codes/.

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