Typical Applications
These breakout boots provide strain relief and
environmental/mechanical protection for breakouts
in multiconductor armored or sheathed cables.
This style is designed for three breakouts.
Heat Shrink Heavy Duty Breakout
Boot, 3-Way Outlet
3M Part Numbers HDBB-310 to 345
Expanded part (as supplied)
Fully recovered part (after heating)
Notes:
• All dimensions in both inches and metric, all angles in degrees • Color: Black
• Dimensions in table: X = Expanded (Minimum) R = Recovered (Maximum) • 3M CAGE Code: 20999
Materials Available
-1 Semi-rigid Flame Retardant Polyolefin
-3 Flexible Polyolefin, Halogen Free
-6 Flexible Flame Retardant Polyolefin
Standard Part Supplied with -250 Adhesive
Adhesive (Part #) Factory Applied Description
TTS-250 -250 Thermoplastic 80°C
NAVSEA or
Cable End
H DIA
Conductor Legs
J DIA
P
+10%
R
R
+10%
R
HW
+20%
R
PART NUMBER
DOD-STD-
2003-1 Part
Number MIN X MAX R MIN X MAX R
HDBB-310-1-250 1A62-5 0.90 0.36 0.33 0.12 2.70 0.70 0.10
(22.86) (9.14) (8.38) (3.05) (68.58) (17.78) (2.54)
HDBB-320-1-250 1A62-6 1.20 0.50 0.50 0.16 3.30 1.00 0.10
(30.48) (12.70) (12.70) (4.06) (83.82) (25.40) (2.54)
HDBB-321-1-250 1A62-7 1.50 0.69 0.65 0.18 4.00 2.20 0.90
(38.10) (17.53) (16.51) (4.57) (101.60) (55.88) (22.86)
HDBB-325-1-250 1A62-8 1.70 0.90 0.82 0.30 4.50 1.20 0.14
(43.18) (22.86) (20.83) (7.62) (114.30) (30.48) (3.56)
HDBB-335-1-250 1A62-9 2.40 1.40 1.25 0.50 5.10 1.60 0.15
(60.96) (35.56) (31.75) (12.70) (129.54) (40.64) (3.81)
HDBB-340-1-250 1A62-10 3.20 2.00 1.40 0.75 5.10 1.60 0.15
(81.28) (50.80) (35.56) (19.05) (129.54) (40.64) (3.81)
HDBB-345-1-250 1A62-11 4.90 2.32 2.00 1.00 10.00 2.50 0.13
(124.46) (58.93) (50.80) (25.40) (254.00) (63.50) (3.30)