Loos and Company Products

Loos and Company Military Specification Pulleys

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.

MS20219

Pulley | Groove | Secondary Control | Aircraft
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

MS20220
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

MS20221
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

MS24566
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

One Good Turn Deserves Another

Get exactly what you need in your applications to ensure you get the most from your wire ropes and sheaves. Pair these custom products with our wide range of wire rope and cable products and you will get the performance you need, when you need it.