Threaded Terminal Fittings

STUD, MS 21259 (AN 669)
CORROSION RESISTANT STEEL
SPECIFICATIONS
MS Part No. Nom.
Cable
Dia.
Ref.
Thread
B
UN-3A
UNF-3A
A
Dia.
As
Dia.
C
Dia.
D
RH Thread LH Thread
MS21259-2RH* MS21259-2LH* 1/16 No. 6-40 .160 .138 .121 .188
MS21259-3RH* MS21259-3LH* 3/32 No. 10-32 .218 .190 .169 .250
MS21259-4RH* MS21259-4LH* 1/8 1/4-28 .250 .219 .226 .313
MS21259-5RH* MS21259-5LH* 5/32 1/4-28 .297 .250 .226 .313
MS21259-6RH* MS21259-6LH* 3/16 5/16-24 .359 .313 .285 .375
MS21259-7RH* MS21259-7LH* 7/32 3/8-24 .427 .375 .347 .438
MS21259-8RH* MS21259-8LH* 1/4 3/8-24 .494 .483 .347 .500
MS21259-9RH* MS21259-9LH* 9/32 7/16-20 .563 .500 .405 .625
MS21259-10RH* MS21259-10LH* 5/16 1/2-20 .625 .563 .467 .688
MS21259-12RH* MS21259-12LH* 3/8 9/16-18 .703 .625 .529 .750
MS21259-14RH MS21259-14LH 7/16 5/8-18 .781 .688 .592 .812
MS21259-16RH MS21259-16LH 1/2 5/8-18 .844 .750 .592 .875
STUD, MS 21259 (AN 669)
CORROSION RESISTANT STEEL
SPECIFICATIONS (continued)
L
+.015
-.000
Ls
Ref.
N
Dia
P R
+.005
-.000
Dia.
S
+.062
-.000
W
±.016
Y
+.063
-.000
Lbs.
Per
Piece
2.473 2.65 .078 1.042 .063 .969 1.174 1.045 .01
2.897 3.00 .109 1.268 .063 1.188 1.411 1.204 .0225
3.333 3.59 .141 1.511 .063 1.438 1.682 1.376 .0375
3.627 3.97 .172 1.761 .063 1.688 1.958 1.376 .0475
4.002 4.17 .203 2.011 0.98 1.938 2.237 1.485 .08
4.516 4.81 .234 2.261 0.98 2.188 2.581 1.625 .12
4.937 5.24 .265 2.511 0.98 2.438 2.784 1.750 .165
5.391 5.75 .297 2.761 0.98 2.688 3.076 1.875 .265
5.844 6.27 .323 3.011 0.98 2.938 3.026 2.000 .375
6.656 7.06 .390 3.511 0.98 3.438 3.828 2.250 .500
7.437 7.91 .468 4.011 0.98 3.938 4.375 2.300 .625
8.187 8.75 .531 4.698 .125 4.625 5.093 2.500 .75

LOCKING STUD, MS 21260
(AN 669)* (NAS650)

CORROSION RESISTANT STEEL
SPECIFICATIONS
MS Part Number Nom.
Cable Dia. Ref.
Thread NF-3A
UNF-3A
A
Dia.
As
Dia.
C
+.006
-.000
Dia.
D G
RH Thread LH Thread Max. Min.
MS21260-L2RH* MS21260-L2LH* 1/16" No. 6-40 .160 .138 .092 .188 .1139 .1094
MS21260-S2RH* MS21260-S2LH* 1/16" No. 6-40 .160 .138 .092 .188 .1139 .1094
MS21260-L3RH* MS21260-L3LH* 3/32" No. 10-32 .218 .190 .133 .250 .1638 .1568
MS21260-S3RH* MS21260-S3LH* 3/32" No. 10-32 .218 .190 .133 .250 .1638 .1568
MS21260-L4RH* MS21260-L4LH* 1/8" 1/4-28 .250 .219 .195 .313 .2224 .2152
MS21260-S4RH* MS21260-S4LH* 1/8" 1/4-28 .250 .219 .195 .313 .2224 .2152
MS21260-S5RH* MS21260-S5LH* 5/32" 1/4-28 .297 .250 .195 .313 .2224 .2152
MS21260-L6RH* MS21260-L6LH* 3/16" 5/16-24 .359 .313 .245 .375 .2830 .2754
MS21260-S6RH* MS21260-S6LH* 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 MS21260-14LH 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
LOCKING STUD, MS 21260
(AN 669)* (NAS650)

CORROSION RESISTANT STEEL
SPECIFICATIONS (continued)
Dash
Number
(Size)
L
+-.063
Ls
(Ref.)
N
Dia.
P Q
+.031
-.016
R
+.005
-.000
Dia.
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 .01
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 4.020 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 .70
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 1.000 .22
10 5.875 6.30 .328 3.011 3.718 .098 2.938 3.326 1.000 .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
*Sizes in Stock