Military Critical Technical Data Agreement

Helpful Information:
Rigger’s Guide to proper swaging techniques

Stud - MS21259

Stud - MS21259

Stud - MS21259

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Stud: MS21259 Series (AN666)
CORROSION RESISTANT STEEL

The MS21259 series stud end fittings from Loos Cableware® Division are manufactured from stainless steel in accordance with MIL-DTL-781 to the strict standards of MS21259 and are certified to that standard. Loos Cableware® Division offers a full range of sizes in this part series of stainless steel swage fittings.

These cable fittings are used throughout the cable and wire rope industry in applications where a cable must be terminated with a swage fitting that will exceed the minimum breaking strength of the cable onto which it is swaged.

  • MIL-DTL-781: YES
  • DFARS COMPLIANT: YES
  • MADE IN THE USA: YES

 

Loos & Co., Inc’s wire rope terminals are domestically manufactured at our Naples, Florida facility. By purchasing from Loos & Co., Inc., you are guaranteed a well-crafted American made product, while directly supporting American jobs and the American manufacturing industry.

If you would like to speak with one of our wire rope terminals experts to learn more about our domestically made products, please contact us using any method below, and we will reach out to you directly.

Drawings & Specifications

MS Part RH Thread
MS Part LH Thread
Cable
Dia.
Thread B
UN-3A
UNF-3A
A
Dia
As
Dia
C
Dia
D
L
±.063
Ls
Ref
N
Dia
MS21259-2RH*MS21259-2LH*1/16(#6)-400.160.1380.1210.1882.4732.650.078
MS21259-3RH*MS21259-3LH*3/32(#10)-320.2180.190.1690.252.87930.109
MS21259-4RH*MS21259-4LH*1/8(1/4)-280.250.2190.2260.3133.3333.590.141
MS21259-5RH*MS21259-5LH*5/32(1/4)-280.2970.250.2260.3133.6273.970.172
MS21259-6RH*MS21259-6LH*3/16(5/16)-240.3590.3130.2850.3754.0024.170.203
MS21259-7RH*MS21259-7LH*7/32(3/8)-240.4270.3750.3470.4384.5164.810.234
MS21259-8RH*MS21259-8LH*1/4(3/8)-240.4940.4380.3470.54.9375.240.265
MS21259-9RH*MS21259-9LH*9/32(7/16)-200.5630.50.4050.6255.3915.750.297
MS21259-10RH*MS21259-10LH*5/16(1/2)-200.6350.5630.4670.6885.8446.270.328
MS21259-12RH*MS21259-12LH*3/8(9/16)-180.7030.6250.5290.756.6567.060.404
MS21259-14RHMS21259-14LH7/16(5/8)-180.7810.6880.5920.8127.4377.910.468
MS21259-16RHMS21259-16LH1/2(5/8)-180.8440.750.5920.8758.1878.750.531
MS21259-18RHMS21259-18LH9/16(3/4)-160.9840.8750.71719.1259.720.594
MS21259-20RHMS21259-20LH5/8(7/8)-141.10910.8421.12510.37511.060.656
MS21259-24RHMS21259-24LH3/4(1)-121.3591.250.9671.43712.06312.640.781
MS21259-28RHMS21259-28LH7/8(1 1/8)-121.5931.4371.0921.62513.22613.990.921
MS21259-32RHMS21259-32LH1(1 1/4)-121.8121.6251.2171.87514.96915.881.046
* Denotes Stock Item
MS Part RH Thread
MS Part LH Thread
Cable Dia.
Thread B
UN-3A
UNF-3A
P
V
+.005
-.000
S
+.062
-.000
W
±.016
Y
+.083
-.020
Lbs. Per
Piece
MS21259-2RH*MS21259-2LH*1/16(#6)-401.0420.0630.9691.1741.0450.01
MS21259-3RH*MS21259-3LH*3/32(#10)-321.2610.0631.1881.4111.2040.0225
MS21259-4RH*MS21259-4LH*1/8(1/4)-281.5110.0631.4381.6821.3760.0375
MS21259-5RH*MS21259-5LH*5/32(1/4)-281.7610.0631.6881.9581.3760.0475
MS21259-6RH*MS21259-6LH*3/16(5/16)-242.0110.0981.9382.2371.4580.08
MS21259-7RH*MS21259-7LH*7/32(3/8)-242.2610.0982.1882.5181.6250.12
MS21259-8RH*MS21259-8LH*1/4(3/8)-242.5110.0982.4382.7841.750.165
MS21259-9RH*MS21259-9LH*9/32(7/16)-202.7610.0982.6883.0761.8750.265
MS21259-10RH*MS21259-10LH*5/16(1/2)-203.0110.0982.9383.0262.0000.375
MS21259-12RH*MS21259-12LH*3/8(9/16)-183.5110.0983.4383.8282.2500.5
MS21259-14RHMS21259-14LH7/16(5/8)-184.0110.0983.9384.3752.3000.625
MS21259-16RHMS21259-16LH1/2(5/8)-184.6980.1254.6255.0932.5000.75
MS21259-18RHMS21259-18LH9/16(3/4)-165.0110.1254.9385.4683.0001
MS21259-20RHMS21259-20LH5/8(7/8)-145.5110.1255.4386.0933.5001.5
MS21259-24RHMS21259-24LH3/4(1)-126.5110.1256.4387.1884.0002.75
MS21259-28RHMS21259-28LH7/8(1 1/8)-127.1660.1257.0947.8464.5003.9
MS21259-32RHMS21259-32LH1(1 1/4)-128.2290.1258.1569.0005.0005.35
* Denotes Stock Item

Installation Tools

Use with the following tools:

LOCOLOC® M1 Portable Manual Swaging Machine (From 1/16 up to 3/16)

Use Die M1-S_ (Straight Shank Dies)

 

 

LOCOLOC®M2 Bench Mounted Swaging Machine (From 1/16 up to 3/8)

Use Die M2-S_ (Straight Shank Dies)

'How To' Instructions

LOCOLOC® M1 Portable Manual Swaging Machine (From 1/16 up to 3/16)

 

 

LOCOLOC®M2 Bench Mounted Swaging Machine (From 1/16 up to 3/8)