N/ACadmium Plate per AMS- QQ-P-416, Type II, Class 3
Military Part Number
N/AMS51551D104-10
Lockring Part Number
N/ARLRR21SA6
Lockring Military Part Number
N/AMS51990-104P
Nut End Type
N/AUndrilled
A Nut End Thread Size
N/A0.1900-32 UNJF-3A
B Stud End Thread Size
N/A0.2500-20
B Stud End Thread-Pitch Diameter
N/A0.2187-0.2204 in
B Stud End Thread-Minor Diameter
N/A0.1824-0.1915 in
C Max
N/A0.082 in
D ±.015
N/A0.280 in
E ±.015
N/A0.440 in
L ±.015
N/A0.625 in
L1_CAD
N/A0.625 in
Notes
N/A
The stud end thread has a special pitch diameter and minor diameter which installs into a MIL-S-8879 class 3B, FED-STD-H28/2 class
3B, or National class 3 tapped hole.
Studs are installed in accordance with MS51995.
Mating lockring is not included with stud. It must be ordered separately.