[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR230.38]

[Page 343-344]
 
                        TITLE 49--TRANSPORTATION
 
       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 230--STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS--Table of Contents
 
                  Subpart B--Boilers and Appurtenances
 
Sec. 230.38  Telltale holes.

    (a) Staybolts less than 8 inches long. All staybolts shorter than 8 
inches, except flexible bolts, shall have telltale holes 3/16 inch to 7/
32 inch diameter and at least 1\1/4\ inches deep in the outer end.
    (b) Reduced body staybolts. On reduced body staybolts, the telltale 
hole shall

[[Page 344]]

extend beyond the fillet and into the reduced section of the staybolt. 
Staybolts may have through telltale holes.
    (c) Telltale holes kept open. All telltale holes, except as provided 
for in Sec. 230.41, must be kept open at all times.