SURFACE J493

REV.
JUN61
VEHICLE
400 Commonwealth Drive, Warrendale, PA 15096-0001
STANDARD Issued 1915-01
Revised 1961-06

Superseding J493 MAY59

Submitted for recognition as an American National Standard

ROD ENDS AND CLEVIS PINS

1. Scope

2. References

2.1 Applicable Publications—The following publications form a part of the specification to the extent specified
herein. Unless otherwise indicated the latest revision of SAE publications shall apply.

2.1.1 SAE PUBLICATIONS—Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001.

SAE J1010—Emission Control Hose

SAE J1111—Component Nomenclatue—Skidder-Grapple

3. General Specifications for Clevis Pins

3.1 Material—SAE 1010 or SAE 1111 steel or equivalent.

3.2 Heat Treatment—Clevis pins shall be supplied either soft or cyanide hardened as specified.

3.3 Defects—Clevis pins must be free from burrs, loose scale, sharp edges, and all other defects that might affect
their serviceability.

3.4 Tolerances—General tolerances for all dimensions are ±0.010 unless otherwise specified.

SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely
voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.”

SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions.

QUESTIONS REGARDING THIS DOCUMENT: (724) 772-8512 FAX: (724) 776-0243

TO PLACE A DOCUMENT ORDER; (724) 776-4970 FAX: (724) 776-0790
SAE WEB ADDRESS http://www.sae.org

Copyright 1961 Society of Automotive Engineers, Inc.

All rights reserved. Printed in U.S.A.
 SAE J493 Revised JUN61

FIGURE 1—ADJUSTABLE AND PLAIN YOKES

FIGURE 2—EYE

TABLE 1—ADJUSTABLE AND PLAIN YOKE AND EYE (SEE FIGURES 1 AND 2)
H
Fork ±0.010 L
Threads per Eye ± +0.000 I L Tolerance Plus
Series A In., B C D E F G –0.010 ±0.010 J K Nominal 0.001; Minus
No. 10 32 1-9/16 1-1/4 1-1/4 1 7/16 3/16 7/16 5/16 3/8 3/16 0.001
1/4 28 2 1-3/4 1-1/4 1-1/4 5/8 9/32 5/8 7/16 1/2 1/4 0.001
Light 5/16 24 2-1/4 2 1-3/8 1-7/16 3/4 11/32 3/4 1/2 19/32 5/16 0.001
3/8 24 2-1/2 2-1/8 1-1/2 1-5/8 27/32 7/16 7/8 5/8 11/16 3/8 0.001
7/16 20 2-7/8 2-1/4 1-1/2 1-7/8 1 1/2 1 23/32 13/16 7/16 0.001
1/2 20 3 2-1/2 1-3/4 1-7/8 1-1/8 9/16 1-1/8 13/16 15/16 1/2 0.002
1/2 20 4-3/16 2-1/2 1-3/4 3-1/16 1-1/8 9/16 1-1/8 13/16 15/16 1/2 0.002
5/8 18 4-15/16 2-7/8 2 3-11/16 1-7/16 11/16 1-3/8 1-1/16 1-3/16 5/8 0.002
Heavy 3/4 16 6-1/16 3-5/8 2-3/8 4-9/16 1-11/16 13/16 1-5/8 1-1/4 1-7/16 3/4 0.002
7/8 14 7-1/8 4 2-3/4 5-1/4 2 15/16 1-7/8 1-7/16 1-11/16 7/8 0.002
1 14 8 4-1/2 3 6 2-1/2 1-1/16 2-1/8 1-5/8 1-15/16 1 0.002

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 SAE J493 Revised JUN61

FIGURE 3—PIN

TABLE 2—CLEVIS PINS, (SEE FIGURE 3)

K
Under
H J Head to
A A E E F F Length Under Center Edge of
Body Body B C D Hole Hole Chamfer Chamfer (H + J) Head to of Hole Nom
Nominal Dia Dia Head Head Head Dia Dia Dia Dia Nom Center to End Hole
Size Max Min Dia Height Chamfer Min Max Max Min G(1) of Hole Ref Ref

3/16 0.186 0.181 0.312 0.062 0.016 0.073 0.088 0.152 0.147 0.578 0.484 0.094 0.445
1/4 0.248 0.243 0.375 0.094 0.031 0.073 0.088 0.214 0.209 0.766 0.672 0.094 0.633
5/16 0.311 0.306 0.438 0.094 0.031 0.104 0.119 0.265 0.259 0.938 0.812 0.125 0.757
3/8 0.373 0.368 0.500 0.125 0.031 0.104 0.119 0.327 0.321 1.062 0.938 0.125 0.883

7/16 0.436 0.431 0.562 0.156 0.047 0.104 0.119 0.390 0.384 1.188 1.062 0.125 1.008
1/2 0.496 0.491 0.625 0.156 0.047 0.136 0.151 0.439 0.431 1.359 1.203 0.156 1.133
5/8 0.621 0.616 0.812 0.203 0.062 0.136 0.151 0.564 0.556 1.609 1.453 0.156 1.383

3/4 0.746 0.741 0.938 0.250 0.078 0.167 0.182 0.678 0.668 1.906 1.719 0.188 1.633
7/8 0.871 0.866 1.031 0.312 0.094 0.167 0.182 0.803 0.793 2.156 1.969 0.188 1.883
1 0.996 0.991 1.188 0.344 0.109 0.167 0.182 0.928 0.918 2.406 2.219 0.188 2.133
1. Tabulated lengths intended for use with standard clevises without spacers, where other lengths are required it
is recommended that 1/16 in. increments be used.

4. Notes

4.1 Marginal Indicia—The change bar (l) located in the left margin is for the convenience of the user in locating
areas where technical revisions have been made to the previous issue of the report. An (R) symbol to the left
of the document title indicates a complete revision of the report.

PREPARED BY THE SAE PARTS AND FITTINGS COMMITTEE

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 SAE J493 Revised JUN61

Rationale—Not applicable.

Relationship of SAE Standard to ISO Standard—Not applicable.

Application—Not applicable.

Reference Section

SAE J1010—Emission Control Hose

SAE J1111—Component Nomenclatue—Skidder-Grapple

Developed by the SAE Parts and Fittings Committee