Loos and Company Products

All pulleys conform to MIL-DTL-7034
All military specification (mil-spec) pulleys conform to MIL-DTL-7034 (latest rev). We offer the industry's leading products for use in a variety of applications and these pulleys are no different. Military specification pulleys are used in primary and secondary flight control systems, and will exceed the performance of commercial pulleys in many applications. When quality and performance matter, trust Loos and Company to provide the highest quality mil-spec pulleys.Department of Defense Specifications
Military Specification Series Pulleys
The tables below represents standard materials, constructions, and sizes that we offer. As a manufacturer, we are fully capable of making custom products. If you don't see what you are looking for contact a sales representative for assistance.
OD | IR
OD | IR
Width | Groove
DIA | Cable
Size | Bore
DIA | Pulley
Assembly Max WT, LBS | Allowable
Load on Pulley LBS | Max Limit Load on Cable
independent of wrap angle | Item# | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1/8"
Cable | 5/32"
Cable | |||||||||||
1.312 | 0.423 | 0.438 | 1.00 | 1/16"
5/32" | 0.250 | 0.058 | 480 | 307 | 460 | Non-metallic
MS20219-1 Metallic MS20219A1 | ||
1.750 | 0.423 | 0.438 | 1.438 | 1/16"
5/32" | 0.250 | 0.066 | 480 | 307 | 460 | Non-metallic
MS20219-2 Metallic MS20219A2 | ||
1.750 | 0.769 | 0.438 | 1.438 | 1/16"
5/32" | 0.625 | 0.096 | 480 | 307 | 460 | Non-metallic
MS20219-3 Metallic MS20219A3 | ||
2.625 | 0.426 | 0.438 | 2.312 | 1/16"
5/32" | 0.250 | 0.110 | 480 | 307 | 460 | Non-metallic
MS20219-4 Metallic MS20219A4 | ||
2.625 | 0.769 | 0.438 | 2.312 | 1/16"
5/32" | 0.625 | 0.125 | 480 | 307 | 460 | Non-metallic
MS20219-5 Metallic MS20219A5 |
OD | IR
OD | IR
Width | Groove
DIA | Cable
Size | Bore
DIA | Pulley
Assembly Max WT, LBS | Allowable
Load on Pulley LBS | Max Limit Load on Cable
independent of wrap angle | Item# | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1/8"
Cable | 5/32"
Cable | 3/16"
Cable | |||||||||||
1.750 | 0.455 | 0.625 | 1.750 | 1/8"
5/32" 3/16" | 0.3125 | 0.070 | 500 | 307 | 1040 | 1250 | Non-metallic
MS20220-1 Metallic MS20020A1 | ||
3.000 | 0.455 | 0.625 | 3.000 | 1/8"
5/32" 3/16" | 0.3125 | 0.175 | 1680 | 307 | 1040 | 1250 | Non-metallic
MS20220-2 Metallic MS20020-A2 | ||
4.250 | 0.455 | 0.625 | 4.250 | 1/8"
5/32" 3/16" | 0.3125 | 0.260 | 2500 | 307 | 1040 | 1250 | Non-metallic
MS20220-3 Metallic MS20220-A3 | ||
5.500 | 0.455 | 0.625 | 5.500 | 1/8"
5/32" 3/16" | 0.3125 | 0.370 | 2500 | 307 | 1040 | 1250 | Non-metallic
MS20220-4 Metallic MS20220-A4 |
OD | IR
OD | IR
Width | Groove
DIA | Cable
Size | Bore
DIA | Pulley
Assembly Max Wt, LBS | Allowable
Load on Pulley LBS | Max Limit Load on Cable
independent of wrap angle | Item# | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
3/16"
Cable | 7/32"
Cable | 1/4"
Cable | |||||||||||
2.625 | 0.455 | 0.625 | 2.000 | 3/16"
7/32" 1/4" | 0.3125 | 0.165 | 2500 | 2620 | 3060 | 3500 | Non-metallic
NA Metallic MS20221A1 | ||
4.125 | 0.768 | 0.750 | 3.500 | 3/16"
7/32" 1/4" | 0.500 | .450 | 4900 | 2620 | 3060 | 3500 | Non-metallic
MS20221-2 Metallic MS20221A2 | ||
5.625 | 0.768 | 0.750 | 5.000 | 3/16"
7/32" 1/4" | 0.500 | .680 | 7000 | 2620 | 3060 | 3500 | Non-metallic
MS20221-3 Metallic MS20221A3 |
OD | IR
Width | Bore
DIA | Cable
Size | Groove
DIA | Groove
Radius | Width @
Flange Points | Flange
Thickness | Pulley
Assembly WT, LBS | Allowable
Load on Pulley | Item # | |
---|---|---|---|---|---|---|---|---|---|---|---|
1.250 | 0.297 | 0.190 | 1/16"
3/32" | 0.972 | 0.050
+0.000 -0.003 | 0.250
+0.000 -0.003 | 0.060
+-0.005 | 0.026 | 300 | MS24566-1B | |
2.50 | 0.297 | 0.190 | 1/16"
3/32" | 0.222 | 0.112
+0.000 -0.003 | 0.250
+0.000 -0.003 | 0.060
+-0.005 | 4,900 | 500 | MS24566-2B | |
2.000 | 0.484 | 0.250 | 1/8"
5/32" 3/16" | 1.510 | 0.112
+0.000 -0.005 | 0.422
-0.000 -0.012 | 0.086
+-0.006 | 0.090 | 600 | MS24566-3B | |
3.500 | 0.484 | 0.250 | 1/8"
5/32" 3/16" | 3.010 | 0.112
+0.000 -0.003 | 0.422
+0.000 -0.012 | 0.086
+-0.006 | 0.200 | 1200 | MS24566-4B | |
5.000 | 0.620 | 0.375 | 3/16"
7/32" 1/4" | 4.374 | 0.145
+0.000 -0.005 | 0.507
+0.000 -0.014 | 0.092
+-0.007 | .500 | 3000 | MS24566-5B | |
6.000 | 0.620 | 0.375 | 3/16"
7/32" 1/4" | 5.374 | 0.145
+0.000 -0.005 | 0.507
+0.000 -0.014 | 0.092
+-0.007 | .600 | 4000 | MS-24566-6B |

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