Loos & Company, Inc. - Cableware Division

Locking Stud: MS21260 Series (AN669 / NAS650)
CORROSION RESISTANT STEEL

The MS21260 Series Locking Studs are manufactured from stainless steel in accordance with the requirements of MLI-DTL-781 and are certified to these standards. Loos Cableware® Division offers a full line of the MS21260 Locking studs in both left hand and right hand threads and is a QPL manufacturer of these parts.

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

Drawings & Spec

 

 

MS Part No. RH Thread	MS Part No. LH Thread	Cable Dia.	Thread B UN-3A UNF-3A	A Diam.	As Diam.	C +.006 –.000 Diam.	D	G Max.	G Min.
MS21260L2RH*	MS21260L2LH*	1/16	No. 6-40	.160	.138	.092	.188	.1139	.1094
MS21260S2RH*	MS21260S2LH*	1/16	No. 6-40	.160	.138	.092	.188	.1139	.1094
MS21260L3RH*	MS21260L3LH*	3/32	No. 10-32	.218	.190	.133	.250	.1638	.1568
MS21260S3RH*	MS21260S3LH*	3/32	No. 10-32	.218	.190	.133	.250	.1638	.1568
MS21260L4RH*	MS21260L4LH*	1/8	1/4-28	.250	.219	.195	.313	.2224	.2152
MS21260S4RH*	MS21260S4LH*	1/8	1/4-28	.250	.219	.195	.313	.2224	.2152
MS21260L5RH*	MS21260L5LH*	5/32	1/4-28	.297	.250	.195	.313	.2224	.2152
MS21260S5RH*	MS21260S5LH*	5/32	1/4-28	.297	.250	.195	.313	.2224	.2152
MS21260L6RH*	MS21260L6LH*	3/16	5/16-24	.359	.313	.245	.375	.2830	.2754
MS21260S6RH*	MS21260S6LH*	3/16	5/16-24	.359	.313	.245	.375	.2830	.2754
MS21260-7RH*	MS21260-7LH*	7/32	3/8-24	.427	.375	.306	.438	.3454	.3378
MS21260-8RH*	MS21260-8LH*	1/4	3/8-24	.494	.438	.306	.500	.3454	.3378
MS21260-9RH*	MS21260-9LH*	9/32	7/16-20	.563	.500	.361	.625	.4052	.3972
MS21260-10RH*	MS21260-10LH*	5/16	1/2-20	.635	.563	.406	.688	.4678	.4597
MS21260-12RH*	MS21260-12LH*	3/8	9/16-18	.703	.625	.476	.750	.5285	.5201
MS21260-14RH	MS21260-14RH	7/16	5/8-18	.781	.688	.538	.812	.5909	.5826
MS21260-16RH	MS21260-16LH	1/2	5/8-18	.844	.750	.538	.875	.5909	.5826
MS21260-18RH	MS21260-18LH	9/16	3/4-16	.984	.875	.654	1.000	.7137	.7050
MS21260-20RH	MS21260-20LH	5/8	7/8-14	1.109	1.000	.768	1.125	.8558	.8266
MS21260-24RH	MS21260-24LH	3/4	1-12	1.359	1.25	.893	1.438	.9608	.9516
MS21260-28RH	MS21260-28LH	7/8	1-1/8-12	1.593	1.437	1.002	1.625	1.0819	1.0772
MS21260-32RH	MS21260-32LH	1	1-1/4-12	1.812	1.625	1.128	1.875	1.2069	1.1972

Dash Number Size	L ±.063	Ls (Ref)	N Diam.	P	Q +.031 –.016	V ±.005	S +.062 –.000	W	Y ±.047	Lbs. per Piece
L2*	3.491	3.67	.078	1.042	1.319	.063	.969	1.174	.375	.011
S2*	2.616	2.79	.078	1.042	1.319	.063	.969	1.174	.375	.010
L3*	3.738	3.86	.109	1.261	1.581	.063	1.188	1.411	.500	.024
S3*	2.863	2.98	.109	1.261	1.581	.063	1.188	1.411	.500	.020
L4*	4.02	4.28	.141	1.511	1.863	.098	1.438	1.682	.563	.040
S4*	3.145	3.40	.141	1.511	1.863	.098	1.438	1.682	.563	.0236
L5*	4.314	4.66	.172	1.761	2.157	.098	1.688	1.958	.625	.05
S5*	3.439	3.78	.172	1.761	2.157	.098	1.688	1.958	.625	.044
L6*	4.612	4.78	.203	2.011	2.455	.098	1.938	2.237	.750	.086
S6*	3.737	3.90	.203	2.011	2.455	.098	1.938	2.237	.750	.070
-7*	4.914	5.21	.234	2.261	2.757	.098	2.188	2.518	.875	.130
-8*	5.218	5.52	.265	2.511	3.061	.098	2.438	2.784	.875	.170
-9*	5.542	5.90	.297	2.761	3.385	.098	2.688	3.076	1.00	.22
-10*	5.875	6.30	.328	3.011	3.718	.098	2.938	3.326	1.00	.35
-12*	6.608	7.01	.390	3.511	4.281	.098	3.438	3.828	1.125	.50
-14	7.468	7.94	.468	4.011	4.812	.098	3.938	4.375	1.250	.75
-16	8.718	9.28	.531	4.698	5.562	.125	4.625	5.093	1.250	1.00
-18	9.188	9.78	.594	5.011	6.000	.125	4.938	5.468	1.500	1.00
-20	10.469	11.16	.656	5.511	6.750	.125	5.438	6.093	1.750	1.50
-24	12.188	12.76	.781	6.511	7.938	.125	6.438	7.188	2.000	2.75
-28	12.851	13.61	.921	7.166	8.601	.125	7.094	7.846	2.000	3.90
-32	14.624	15.53	1.046	8.229	9.844	.125	8.156	9.000	2.250	5.35

* Denotes Stock Item. Non-stock items subject to reasonable delivery, depending on current manufacturing lead time. When ordering: specify Part No. and diameter of cable hardware it is to fit.

 

* AN669 same as MS21260 but without slotted end

 

Military Specification

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)

 

 

 

 

 

 

Additional Info

 

 

            Use with:

 

 

 

Use with MS21256

 

 

 

 

 

  Use with MS21251

 

 

 

 

 

Another View

 

Side View

Side View (2)

 

 

'How To' Instructions

 

 

   Turnbuckle Assemblies, Clip Locking of   MS33736D

 

 

 

 

LOCOLOC® M1 Portable Manual Swaging Machine

 

 

 

 

 

 

 

LOCOLOC® M2 Bench Mounted Swaging Machine