N.Y. Comp. Codes R. & Regs. tit. 15, § 79.29 – Appendix A.

TABLE A

CLAMP TYPE BRAKE CHAMBER DATA
TYPE	OUTSIDE DIAMETER	BRAKE ADJUSTMENT LIMIT
	in.	mm.	in.	mm.
6	4-½	(114)	1-¼	(32)
9	5-¼	(133)	1-⅜	(35)
12	5-¹¹/₁₆	(145)	1-⅜	(35)
16	6-⅜	(162)	1-¾	(45)
20	6-²⁵/₃₂	(172)	1-¾	(45)
24	7-⁷/₃₂	(184)	1-¾	(45)
30	8-³/₃₂	(206)	2	(51)
36	9	(229)	2-¼	(57)
LONG STROKE CLAMP TYPE BRAKE CHAMBER DATA
TYPE	OUTSIDE DIAMETER	BRAKE ADJUSTMENT LIMIT
	in.	mm.	in.	mm.
12	5-¹¹/₁₆	(145)	1-¾	(35)
16	6-⅜	(162)	2.0	(45)
20	6-²⁵/₃₂	(172)	2.0	(45)
24	7-⁷/₃₂	(184)	2.0	(45)
24*	7-⁷/₃₂	(184)	2-½	(45)
30	8-³/₃₂	(206)	2-½	(51)
* For three-inch maximum stroke type 24 chambers.
NOTE: A brake found at the adjustment limit is not a violation.
BOLT TYPE BRAKE CHAMBER DATA
TYPE	OUTSIDE DIAMETER	BRAKE ADJUSTMENT LIMIT
	in.	mm.	in.	mm.
A	6-¹⁵/₁₆	(176)	1-⅜	(35)
B	9-³/₁₆	(234)	1-¾	(45)
C	8-¹/₁₆	(205)	1-¾	(45)
D	5-¼	(133)	1-¼	(32)
E	6-³/₁₆	(157)	1⅜	(35)
F	11	(279)	2-¼	(57)
G	9-⅞	(251)	2	(51)
NOTE: A brake found at the adjustment limit is not a violation.
ROTOCHAMBER DATA
TYPE	OUTSIDE DIAMETER	BRAKE ADJUSTMENT LIMIT
	in.	mm.	in.	mm.
9	4-⁹/₃₂	(109)	1-½	(38)
12	4-¹³/₁₆	(122)	1-½	(38)
16	5-¹³/₃₂	(138)	2	(51)
20	5-¹⁵/₁₆	(151)	2	(51)
24	6-¹³/₃₂	(163)	2	(51)
30	7-¹/₁₆	(180)	2-¼	(57)
36	7-⅝	(194)	2¾	(70)
50	8-⅞	(226)	3	(76)
NOTE: A brake found at the adjustment limit is not a violation.
DD2 & DD-3 BRAKE CHAMBER DATA
TYPE	OUTSIDE DIAMETER	BRAKE ADJUSTMENT LIMIT
	in.	mm.	in.	mm.
30	8-⅛	(206)	2-¼	(57)
NOTE: This chamber has three air lines and is found on motor coaches.
NOTE: A brake found at the adjustment limit is not a violation.
WEDGE BRAKE DATA
The combined movement of both shoe lining scribe marks shall not exceed ⅛ inch (3.18 mm).