Ball-Lok® Quick Release Pins



T Handle
T- Handle

  C D  
NOM. A B + .000 E F G H J
DIA. MAX. MIN. +/- .005 - .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
















  M   CALC. DOUBLE MINIMUM TENSION
NOM. K L + .030 N P SHEAR STR. MIN. LOAD CAPABILITIES LBS.
DIA. MAX. MIN. MAX. MIN. - .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































L Handle
L Handle

  C D  
NOM. A B + .000 E F G H J
DIA. MAX. MIN. +/- .005 - .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

















  M   CALC. DOUBLE MINIMUM TENSION
NOM. K L + .030 N P SHEAR STR. MIN. LOAD CAPABILITIES LBS.
DIA. MAX. MIN. MAX. MIN. - .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

R Handle
R Handle

  C D  
NOM. A B + .000 E F G H J
DIA. MAX. MIN. +/- .005 - .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
















  M   CALC. DOUBLE MINIMUM TENSION
NOM. K L + .030 N P SHEAR STR. MIN. LOAD CAPABILITIES LBS.
DIA. MAX. MIN. MAX. MIN. - .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 CRES 303 (ASTM-A-581/582) OR
  ALUMINUM 2024/2017 (QQ-A-225/6 OR /5) 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) OR 17-7PH (AMS 5678)
  CRES 302 (ASTM-A-313)  

Heat Treat

ALLOY STEEL: SHANK & SPINDLE (MIL-H-6875) Rc 36-40
CORROSION RESISTANT STEEL: SHANK & SPINDLE Rc 40 MIN. (MIL-H-6875) SPRING 17-7PH CH900 (MIL-H-6875)
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.

Lanyard Table 1

TABLE 1
TAB HOLE SIZE
DASH NO. T DIA. +.004/-.001
-4 .129
-6 .194
-7 .255
-8 .281
-10 .318
-12 .377

Lanyard Notes

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