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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 RLRR47SA10

Lockring Military Part Number

 N/A MS51990-109P

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 - Length ±.015

 N/A 1.000 in

D ±.015

 N/A 0.770 in

E - Min. Full Thread Depth

 N/A 0.660 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, 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.