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Unit of Measure

Insert Type

 N/A Blind

Series

 N/A RJ1200

Material Type

 N/A 6AI-4V Titanium

Material Specification

 N/A MIL-T-9047, COND A or AMS4967

Heat Treat

 N/A 130 KSI UTS min

Finish

 N/A None

Lockring Rosan Part Number

 N/A RLRR16SA5

Lockring Military Part Number

 N/A MS51990-120P

Internal Thread Lock

 N/A No
A - Internal Thread, Class 3B1 N/A 0.1120-48 UNJF

B - External Thread

 N/A 0.1900-24

B - External Thread - Pitch Diameter

 N/A 0.1633-0.1648 in

B - External Thread - Minor Diameter

 N/A 0.1334-0.1407 in

C - Length ±.015

 N/A 0.310 in

D ±.015

 N/A 0.210 in

E - Min. Full Thread Depth

 N/A 0.160 in
Aluminum Step Drill Part Number2 N/A RCDC16-149-5
Magnesium Step Drill Part Number3 N/A RCADC16-149-5
Basic Tap Size4 N/A 0.1900-24 UNC

Wrench Part Number

 N/A R1102W

Lockring Drive Tool Part Number

 N/A R102D
Removal Drill Size5 N/A 7/32

N/A

  • The external thread has a special pitch diameter and minor diameter which installs into an AS8879 Class 3B, MIL-S-7742 Class 3B, or National Class 3 tapped hole.
  • Mating lockring is not included with insert, it must be ordered separately.
  • Unless otherwise specified dimensions are in inches & ASME Y14.5M.
  • 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.