Item # RJ209SF11, RJ200 Inserts - Ring Locked, Fine Internal and Coarse External Threads On Howmet Aerospace

Request Information

Please click here to view the Installation and Removal

Unit of Measure

Insert Type	N/A Standard
Series	N/A RJ200
Material Type	N/A 17-4PH CRES
Material Specification	N/A AMS 5643
Heat Treat	N/A COND H1025
Finish	N/A Passivate per AMS2700
Military Part Number	N/A MS51991-209
Lockring Rosan Part Number	N/A RLRR47SA10
Lockring Military Part Number	N/A AS51990-109P
Internal Thread Lock	N/A No
A - Internal Thread, Class 3B¹	N/A 0.4375-20 UNJF
B - External Thread	N/A 0.6250-11
B - External Thread - Pitch Diameter	N/A 0.5668-0.5693 in
B - External Thread - Minor Diameter	N/A 0.5028-0.5168 in
C - Overall Length ±.015	N/A 0.690 in
D - Thread Length ±.015	N/A 0.460 in
E ±.015	N/A 0.230 in
F - Dia	N/A 0.553 in
G - Dia	N/A 0.503 in
H - Dia	N/A 0.447-0.462 in
J - Number of Teeth	N/A 26.000
K +2º -1º	N/A 111.000 º
L - Diameter +.007 -.002	N/A 0.601 in
M - Diameter +.005 -.004	N/A 0.567 in
N ±.015	N/A 0.140 in

Aluminum Step Drill Part Number²	N/A RCDC47-535
Magnesium Step Drill Part Number³	N/A RCADC47-535
Basic Tap Size⁴	N/A 0.6250-11 UNC
Wrench Part Number	N/A R1110W
Lockring Drive Tool Part Number	N/A R209D
Removal Drill Size⁵	N/A 9/16

N/A

The external thread has a special pitch diameter and minor diameter, which installs into an AS8879 Class 3B, FED-STD-H28/2 Class 3B, or National Class 3 tapped hole.
<3> Mating lockring is not included with insert. It must be ordered separately.
<4> For standard lenghts as shown in table, "C" overall length and "D" thread length applies. For non-standard lengths, "C" lengths is in 1/16 inch increments and "E" dimension applies in place of "D" dimension.
Unless otherwise specified dimensions are in inches & ASME Y14.5M.
When parent material surface is not flat or normal to axis of hole, provide a spotface for proper lockring entry.
Remove all burrs and sharp edges.

¹ AS8879 Internal Thread
² Step drills are designed for thru hole drilling. When used to drill a blind hole, it may be necessary to grind the drill to suit the depth required.
³ Step drills are designed for thru hole drilling. When used to drill a blind hole, it may be necessary to grind the drill to suit the depth required.
⁴ Taps are not supplied by Howmet.
⁵ Removal drills are not supplied by Howmet.

Insert Type