close
close
close
Request Information
Please click here to view the Installation and Removal

For A286 Heat treated to 130 KSI UTS Min, add suffix E0349 to insert part number.

Unit of Measure

Insert Type

 N/A Solid

Series

 N/A R1100

Material Type

 N/A A286 CRES

Material Specification

 N/A AMS 5731 or AMS 5734

Heat Treat

 N/A 83 HRB Min

Finish

 N/A Passivate per AMS2700
Lockring Rosan Part Number1 N/A RLRR16SA5
Lockring Military Part Number2 N/A MS51990-102P

Internal Thread Lock

 N/A No

A - Dia ±.005

 N/A 0.148 in

B - External Thread

 N/A 0.1900-24

B - External Thread - Major Diameter

 N/A 0.1834-0.1900 in

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 ±.015

 N/A 0.250 in

D ±.015

 N/A 0.150 in

K - Dia

 N/A 0.173-0.182 in

L ±.015

 N/A 0.060 in

M - Dia ±.010

 N/A 0.135 in
Aluminum Step Drill Part Number3 N/A RCDC16-149
Magnesium Step Drill Part Number4 N/A RCADC16-149
Basic Tap Size5 N/A 0.1900-24 UNC

Wrench Part Number

 N/A R1102W

Lockring Drive Tool Part Number

 N/A R1102D
Removal Drill Size6 N/A 7/32

N/A

  • The external thread has a special pitch diameter and minor diameter which installs into a AS8879 class 3B, FED-STD-H28/2 class 3B, or National class 3 tapped hole.
  • 4130 Steel, 1117 Steel, 303 CRES, A286 CRES indicate standard materials.
  • 125 Microinch Ra for surface roughness per ANSI/ASME B46.1, except:
    - 250 Microinch Ra for serration
    - 100 Microinch Ra for cut threads
    - 63 Microinch Ra for ground or rolled threads.
  • 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 Mating lockring is not included with insert. It must be ordered separately.
  • 2 Mating lockring is not included with insert. It must be ordered separately.
  • 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 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.
  • 5 Taps and Removal drills are available for order.
  • 6 Taps and Removal drills are available for order.