The MS21256 series clips are designed to fit the MS21251 Turnbuckle and lock into place the mating part. MS21256 (Same as NAS651)
Items
MS21256

Clip Locking Turnbuckle - MS21256

MS21256

Clip Locking Turnbuckle - MS21256

MS21256

Clip Locking Turnbuckle - MS21256
A N/A .965 N/A 1.875 N/A 2.045
C +.010 -.015 N/A .150 N/A .150 N/A .215
D N/A 1.078 N/A 1.955 N/A 2.015
F N/A .125 N/A .125 N/A .150
G N/A .300 N/A .315 N/A .430
H N/A .165 N/A .180 N/A .275
R RAD. +/- N/A .032
Lbs. Per 1000 N/A .466 N/A .759 N/A .905
NSN  N/A 1640-00-619-7031, 1640006197031 N/A 1640-00-010-3090, 1640000103090 N/A 1640-00-586-9504, 1640005869504