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Ball-Lok® Quick Release Pins

Double Acting Pin

Double Acting Pin

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BL - - - - - - - -

NOM.	A		B	C	D	E		F		G		H		J
DIA.	MAX.	MIN.	+/- .005	+ .000 - .060		MAX.	MIN.	MAX.	MIN.	MAX.	MIN.	MAX.	MIN.	MAX.	MIN.
3/16	0.1885	0.187	0.22	0.41	0.5	0.45	0.36	1.75	1.375	1.3	1.14	1.945	1.875	1.03	0.94
1/4	0.2485	0.247	0.289	0.41	0.5	0.45	0.36	1.75	1.375	1.3	1.14	1.945	1.875	1.03	0.94
5/16	0.311	0.3095	0.375	0.44	0.55	0.505	0.39	1.75	1.375	1.3	1.14	1.945	1.875	1.03	0.94
3/8	0.3735	0.372	0.44	0.51	0.64	0.63	0.51	2	1.875	1.5	1.3	2.025	1.905	1.09	1
7/16	0.436	0.4345	0.509	0.51	0.64	0.63	0.51	2	1.875	1.5	1.3	2.025	1.905	1.09	1
1/2	0.4985	0.497	0.594	0.59	0.78	0.755	0.64	2.25	2.125	1.655	1.5	2.06	1.96	1.27	1.18
9/16	0.561	0.5595	0.666	0.66	0.82	0.755	0.64	2.25	2.125	1.655	1.5	2.06	1.96	1.27	1.18
5/8	0.6235	0.622	0.75	0.75	0.93	0.87	0.805	2.5	2.375	1.81	1.625	2.55	2.4	1.465	1.375
3/4	0.7485	0.747	0.887	0.79	1	0.96	0.89	2.5	2.375	1.81	1.625	2.55	2.4	1.465	1.375
7/8	0.8735	0.872	1.046	0.95	1.18	1.15	1.07	2.875	2.75	2.25	2.05	2.77	2.57	1.64	1.55
1	0.9985	0.997	1.219	1.1	1.35	1.28	1.2	2.875	2.75	2.25	2.05	2.95	2.75	1.83	1.74

									CALC. DOUBLE		MINIMUM TENSION
NOM.	K		L		M	N		P	SHEAR STR. MIN.		LOAD CAPABILITIES LBS.
DIA.	MAX.	MIN.	MAX.	MIN.	+ .030 - .000	MAX.	MIN.	+/- .03	STEEL	CRES	2 BALLS	4 BALLS
3/16	0.9	0.78	0.48	0.415	0.105	1.125	1	0.11	4¸600	5¸140	200	260
1/4	0.9	0.78	0.48	0.415	0.105	1.125	1	0.11	8¸200	9¸200	230	300
5/16	0.9	0.78	0.48	0.415	0.105	1.125	1	0.11	12¸800	14¸400	510	660
3/8	0.97	0.83	0.54	0.445	0.134	1.125	1	0.11	18¸400	20¸600	575	745
7/16	0.97	0.83	0.54	0.445	0.134	1.125	1	0.11	25¸000	28¸000	710	920
1/2	1.12	0.88	0.54	0.445	0.2	1.125	1	0.11	32¸800	36¸800	1160	1500
9/16	1.12	0.88	0.54	0.445	0.2	1.125	1	0.11	41¸200	46¸000	1420	1845
5/8	1.3	1	0.575	0.51	0.231	1.5	1.312	0.15	51¸200	57¸500	2070	2690
3/4	1.3	1	0.595	0.53	0.231	1.5	1.312	0.15	73¸600	82¸500	2950	3835
7/8	1.47	1.18	0.73	0.665	0.231	1.5	1.312	0.15	100¸000	112¸500	3900	5070
1	1.68	1.32	0.865	0.8	0.231	1.5	1.312	0.15	131¸000	147¸000	5480	7120

NOM.	A		B	C	D	E		F		G		H		J
DIA.	MAX.	MIN.	+/- .005	+ .000 - .060		MAX.	MIN.	MAX.	MIN.	MAX.	MIN.	MAX.	MIN.	MAX.	MIN.
3/16	0.1885	0.187	0.22	0.41	0.5	0.45	0.36	1.75	1.375	1.3	1.14	1.945	1.875	1.03	0.94
1/4	0.2485	0.247	0.289	0.41	0.5	0.45	0.36	1.75	1.375	1.3	1.14	1.945	1.875	1.03	0.94
5/16	0.311	0.3095	0.375	0.44	0.55	0.505	0.39	1.75	1.375	1.3	1.14	1.945	1.875	1.03	0.94
3/8	0.3735	0.372	0.44	0.51	0.64	0.63	0.51	2	1.875	1.5	1.3	2.025	1.905	1.09	1
7/16	0.436	0.4345	0.509	0.51	0.64	0.63	0.51	2	1.875	1.5	1.3	2.025	1.905	1.09	1
1/2	0.4985	0.497	0.594	0.59	0.78	0.755	0.64	2.25	2.125	1.655	1.5	2.06	1.96	1.27	1.18
9/16	0.561	0.5595	0.666	0.66	0.82	0.755	0.64	2.25	2.125	1.655	1.5	2.06	1.96	1.27	1.18
5/8	0.6235	0.622	0.75	0.75	0.93	0.87	0.805	2.5	2.375	1.81	1.625	2.55	2.4	1.465	1.375
3/4	0.7485	0.747	0.887	0.79	1	0.96	0.89	2.5	2.375	1.81	1.625	2.55	2.4	1.465	1.375
7/8	0.8735	0.872	1.046	0.95	1.18	1.15	1.07	2.875	2.75	2.25	2.05	2.77	2.57	1.64	1.55
1	0.9985	0.997	1.219	1.1	1.35	1.28	1.2	2.875	2.75	2.25	2.05	2.95	2.75	1.83	1.74

									CALC. DOUBLE		MINIMUM TENSION
NOM.	K		L		M	N		P	SHEAR STR. MIN.		LOAD CAPABILITIES LBS.
DIA.	MAX.	MIN.	MAX.	MIN.	+ .030 - .000	MAX.	MIN.	+/- .03	STEEL	CRES	2 BALLS	4 BALLS
3/16	0.9	0.78	0.48	0.415	0.105	1.125	1	0.11	4¸600	5¸140	200	260
1/4	0.9	0.78	0.48	0.415	0.105	1.125	1	0.11	8¸200	9¸200	230	300
5/16	0.9	0.78	0.48	0.415	0.105	1.125	1	0.11	12¸800	14¸400	510	660
3/8	0.97	0.83	0.54	0.445	0.134	1.125	1	0.11	18¸400	20¸600	575	745
7/16	0.97	0.83	0.54	0.445	0.134	1.125	1	0.11	25¸000	28¸000	710	920
1/2	1.12	0.88	0.54	0.445	0.2	1.125	1	0.11	32¸800	36¸800	1160	1500
9/16	1.12	0.88	0.54	0.445	0.2	1.125	1	0.11	41¸200	46¸000	1420	1845
5/8	1.3	1	0.575	0.51	0.231	1.5	1.312	0.15	51¸200	57¸500	2070	2690
3/4	1.3	1	0.595	0.53	0.231	1.5	1.312	0.15	73¸600	82¸500	2950	3835
7/8	1.47	1.18	0.73	0.665	0.231	1.5	1.312	0.15	100¸000	112¸500	3900	5070
1	1.68	1.32	0.865	0.8	0.231	1.5	1.312	0.15	131¸000	147¸000	5480	7120

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NOM.	A		B	C	D	E		F		G		H		J
DIA.	MAX.	MIN.	+/- .005	+ .000 - .060		MAX.	MIN.	MAX.	MIN.	MAX.	MIN.	MAX.	MIN.	MAX.	MIN.
3/16	0.1885	0.187	0.22	0.41	0.5	0.45	0.36	1.75	1.375	1.3	1.14	1.945	1.875	1.03	0.94
1/4	0.2485	0.247	0.289	0.41	0.5	0.45	0.36	1.75	1.375	1.3	1.14	1.945	1.875	1.03	0.94
5/16	0.311	0.3095	0.375	0.44	0.55	0.505	0.39	1.75	1.375	1.3	1.14	1.945	1.875	1.03	0.94
3/8	0.3735	0.372	0.44	0.51	0.64	0.63	0.51	2	1.875	1.5	1.3	2.025	1.905	1.09	1
7/16	0.436	0.4345	0.509	0.51	0.64	0.63	0.51	2	1.875	1.5	1.3	2.025	1.905	1.09	1
1/2	0.4985	0.497	0.594	0.59	0.78	0.755	0.64	2.25	2.125	1.655	1.5	2.06	1.96	1.27	1.18
9/16	0.561	0.5595	0.666	0.66	0.82	0.755	0.64	2.25	2.125	1.655	1.5	2.06	1.96	1.27	1.18
5/8	0.6235	0.622	0.75	0.75	0.93	0.87	0.805	2.5	2.375	1.81	1.625	2.55	2.4	1.465	1.375
3/4	0.7485	0.747	0.887	0.79	1	0.96	0.89	2.5	2.375	1.81	1.625	2.55	2.4	1.465	1.375
7/8	0.8735	0.872	1.046	0.95	1.18	1.15	1.07	2.875	2.75	2.25	2.05	2.77	2.57	1.64	1.55
1	0.9985	0.997	1.219	1.1	1.35	1.28	1.2	2.875	2.75	2.25	2.05	2.95	2.75	1.83	1.74

									CALC. DOUBLE		MINIMUM TENSION
NOM.	K		L		M	N		P	SHEAR STR. MIN.		LOAD CAPABILITIES LBS.
DIA.	MAX.	MIN.	MAX.	MIN.	+ .030 - .000	MAX.	MIN.	+/- .03	STEEL	CRES	2 BALLS	4 BALLS
3/16	0.9	0.78	0.48	0.415	0.105	1.125	1	0.11	4¸600	5¸140	200	260
1/4	0.9	0.78	0.48	0.415	0.105	1.125	1	0.11	8¸200	9¸200	230	300
5/16	0.9	0.78	0.48	0.415	0.105	1.125	1	0.11	12¸800	14¸400	510	660
3/8	0.97	0.83	0.54	0.445	0.134	1.125	1	0.11	18¸400	20¸600	575	745
7/16	0.97	0.83	0.54	0.445	0.134	1.125	1	0.11	25¸000	28¸000	710	920
1/2	1.12	0.88	0.54	0.445	0.2	1.125	1	0.11	32¸800	36¸800	1160	1500
9/16	1.12	0.88	0.54	0.445	0.2	1.125	1	0.11	41¸200	46¸000	1420	1845
5/8	1.3	1	0.575	0.51	0.231	1.5	1.312	0.15	51¸200	57¸500	2070	2690
3/4	1.3	1	0.595	0.53	0.231	1.5	1.312	0.15	73¸600	82¸500	2950	3835
7/8	1.47	1.18	0.73	0.665	0.231	1.5	1.312	0.15	100¸000	112¸500	3900	5070
1	1.68	1.32	0.865	0.8	0.231	1.5	1.312	0.15	131¸000	147¸000	5480	7120

SPECIFICATIONS
PART NAME	ALLOY STEEL	CORROSION RESISTANT
BODY & SPINDLE	STEEL 4130 (MIL-T-6736 OR MIL-S-6758)	CRES 17-4PH (AMS 5643/15-7 MO (AMS 5657)
BALL	CRES 440C (QQ-S-763)	CRES 440C (QQ-S-763)
BUTTON	MILD STEEL (ASTM-A-108) OR ALUMINUM 2024/2017 (QQ-A-225/6 OR /5)	CRES 303 (ASTM-A-581/582) OR ALUMINUM 2024/2017 (QQ-A-225/6 OR /5)
HEAD	MILD STEEL (ASTM-A-108)	CRES 303 (ASTM-A-581/582) OR CRES 302 (QQ-S-763)
T OR L HANDLE	MILD STEEL (ASTM-A-108)	CRES 303 (ASTM-A-581/582)
R HANDLE RING	CRES 302 (ASTM-A-313) OR 17-7PH (AMS5678)	CRES 302 (ASTM-A-313) OR 17-7PH (AMS 5678)
ATTACHING LINK BAND	MILD STEEL (ASTM-A-366/568) OR CRES 302 (QQ-S-766 OR MIL-S-5059)	CRES 302 (QQ-S-766 OR MIL-S-5059)
SPRING/ATTACHING RING	MUSIC WIRE (ASTM-A-228 OR CRES 302 (ASTM-A-313)	CRES 302 (ASTM-A-313) OR 17-7PH (AMS 5678)

HEAT TREATMENT
ALLOY STEEL: SHANK & SPINDLE (MIL-H-6875) Rc 36-40
CORROSION RESISTANT STEEL: 180/210 KPSCORROSION RESISTANT STEEL: SHANK & SPINDLE Rc 40 MIN. (MIL-H-6875) SPRING 17-7PH CH900 (MIL-H-6875)I
BALL HARDNESS: Rc 58-62

PROTECTIVE TREATMENT
CARBON AND ALLOY STEEL: CADMIUM PLATE (QQ-P-416 TYPE 1 - OR TYPE II CLASS 2)
CORROSION RESISTANT STEEL: PASSIVATE (QQ-P-35)
ALUMINUM ALLOY: ANODIZE (MIL-A-8625)

NOTES
1. ALL PINS MEET OR EXCEED THE REQUIREMENTS OF PROCUREMENT SPECIFICATION MIL-P-23460 (WEP) AND ARE LISTED (QPL) ON MS17988 THRU MS17990 AND NAS 1353 THRU 1366.
2. ALL PINS FURNISHED WITH ATTACHING RINGS - SIZE AND SHAPE AVIBANK'S OPTION.
3. DOUBLE ACTING PINS ARE AVAILABLE WITH DRIVE-OUT FEATURE. THIS FEATURE IS EMPLOYED WHERE REMOVAL OF PIN IS NECESSARY WHILE IN SHEAR LOADED CONDITION. TO ORDER DRIVE-OUT - SEE SAMPLE CALLOUT.
4. IF A FOUR BALL PIN IS REQUIRED FOR GREATER TENSION STRENGTH - ADD THE LETTER F TO THE END OF THE STANDARD CALLOUT. EXAMPLE: BLS8R15NF
5. IF GREATER C DIMENSION IS NECESSARY - ADD LENGTH AFTER C LETTER. EXAMPLE: BLS8R15NC10 (C10 BEING 1.0 INCHES.)
6. OPTIONAL LANYARD IS ATTACHED DIRECTLY TO LINK BAND..
7. ALL PINS ARE IDENTIFIED PER MIL-STD-130 AND APPLICABLE SPECIFICATION.
8. IF GRIP CANNOT BE CALLED OUT IN WHOLE NUMBER TENTHS - USE A DECIMAL POINT AND CALL OUT ACTUAL GRIP. EXAMPLE: 1.25 = 1.250 GRIP OR 2.375 = 2.375 GRIP.
9. ALL PINS IDENTIFIED PER MIL-STD-130 AND APPLICABLE SPECIFICATIONS.
10. BALLS MAY BE ROTATED TO POSITIONS OTHER THAN SHOWN.

TAB HOLE SIZE
DASH NO.	T DIA. +.004/-.001
-4	.129
-6	.194
-7	.255
-8	.281
-10	.318
-12	.377

NOTES
CABLE:	SIZE 1/16 DIAMETER. 7 X 7 CORROSION RESISTANT STEEL PER MIL-W-83420. VINYL COATED - COLOR GREEN PER MIL-I-631. RATED FULL STRENGTH: 480 LBS. SWAGING SLEEVE: NICOPRESS 28-IC OR EQUIV.
TAB:	A - ALUMINUM ALLOY 2024-T4 PER QQ-A-250/4. C - CORROSION RESISTANT STEEL PER MIL-W-83420.
FINISH:	ALL CRES PARTS PASSIVATED PER QQ-P-35. ALL ALUMINUM PARTS ANODIZED PER MIL-A-8625.

© 2024 Precision Castparts Corp.

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