Ball-Lok® Quick Release Pins



Dimensions
Dimensions

  C   CALC. DOUBLE SHEAR
DASH NOM. A DIA. B + .000 D E F G H STRENGTH-LBS.
NO. DIA. MAX. MIN. +/- .005 - .030 +/- .015 +/- .03 +/- .05 MAX. MIN. STEEL CRES
3 3/16 0.1885 0.187 0.22 0.26 0.188 0.44 0.93 1.125 0.44 4¸600 5¸150
4 1/4 0.2485 0.247 0.287 0.29 0.188 0.44 0.93 1.125 0.44 8¸200 9¸200
5 5/16 0.311 0.3095 0.372 0.33 0.188 0.5 1.11 1.125 0.44 12¸800 14¸400
6 3/8 0.3735 0.372 0.438 0.365 0.188 0.56 1.15 1.5 0.45 18¸400 20¸600
7 7/16 0.436 0.4345 0.507 0.38 0.25 0.63 1.36 1.5 0.49 25¸000 28¸000
8 1/2 0.4985 0.497 0.593 0.46 0.25 0.69 1.39 1.5 0.59 32¸800 36¸800
9 9/16 0.561 0.5595 0.666 0.51 0.25 0.75 1.45 1.5 0.66 41¸200 46¸000
10 5/8 0.6235 0.622 0.748 0.58 0.375 0.81 1.72 1.75 0.69 51¸200 57¸500
12 3/4 0.7485 0.747 0.887 0.67 0.375 0.94 1.91 2 0.85 73¸600 82¸500
14 7/8 0.8735 0.872 1.045 0.76 0.5 1.06 2.12 2.5 0.9 100¸000 112¸500
16 1 0.9985 0.997 1.217 0.89 0.5 1.25 2.21 2.5 0.97 131¸000 147¸000

Specifications

PART NAME ALLOY STEEL CORROSION RESISTANT
BODY ALLOY STEEL 4130 MIL-T-6739 MIL-S-6758 OR EQUIV. CRES 17-4PH OR 157MO AMS 5643/AMS5657
SPINDLE ALLOY STEEL 4130 MIL-S-6758 CRES 17-4PH AMS 5643
BUTTON MILD STEEL OR ASTM-A-108 CRES 303 OR ASTM-A-581/582
  ALUM. ALLOY QQ-A-225/6 ALUM. ALLOY QQ-A-225/6
LEVER MILD STEEL ASTM-A-108 CRES 303 ASTM-A-581/582
SPRING MUSIC WIRE ASTM-A-228 CRES 17-7PH OR 302 AMS5678/ASTM-A-313
HEAD MILD STEEL ASTM-A-108 CRES 303 ASTM-A-581/582
ATTACHING LINK MILD STEEL ASTM-A-108 CRES 17-7PH OR 302 AMS5678/ASTM-A-313
BALLS CRES 440C QQ-S-763 CRES 440C QQ-S-763
PIN CRES   CRES  

Heat Treat

ALLOY STEEL: SHANK & SPINDLE - Rc 36-40 (MIL-H-6875)
CORROSION RESISTANT STEEL: SHANK & SPINDLE - Rc 40 MIN. (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 THE REQUIREMENTS OF NAS1332 EXCEPT OTHERWISE NOTED.
2) ALL PINS FURNISHED WITH ATTACHING RINGS; SIZE AND SHAPE AVIBANK'S OPTION.
3) IF FOUR BALL PIN IS REQUIRED FOR GREATER TENSION STRENGTH - ADD THE LETTER F TO STANDARD CALLOUT.
  EXAMPLE: BLS8CL15F.
4) IF A GREATER C DIMENSION IS REQUIRED - ADD THE LENGTH AFTER THE STANDARD GROUP.
  EXAMPLE: BLS8CL15C10 (C10 BEING 1.0 INCHES)
5) OPTIONAL LANYARD IS ATTACHED DIRECTLY TO THE HANDLE.
6) IF GRIP CANNOT BE CALLED OUT IN A WHOLE NUMBER TENTHS - USE A DECIMAL POINT AND CALL OUT ACTUAL GRIP.
  EXAMPLE: 1.25 = 1.250 OR 2.375 + 2.375 GRIP.

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