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Unit of Measure

Insert Type

N/A Solid

Series

N/A R1000SM

Material Type

N/A 303 CRES

Material Specification

N/A ASTM A582 or AMS 5640

Finish

N/A Passivate per AMS2700
Lockring Rosan Part Number1 N/A RLRR38SM9
Lockring Military Part Number2 N/A MS51990-108P

Internal Thread Lock

N/A No

A - Dia ±.005

N/A 0.447 in

B - External Thread

N/A 0.5000-20

B - External Thread - Pitch Diameter

N/A 0.4678-0.4698 in

B - External Thread - Minor Diameter

N/A 0.4325-0.4409 in

C ±.015

N/A 0.620 in

D ±.015

N/A 0.420 in
Aluminum Step Drill Part Number3 N/A RCDC38-453
Magnesium Step Drill Part Number4 N/A RCADC38-453
Basic Tap Size5 N/A 0.5000-20 UNF

Wrench Part Number

N/A R1108W

Lockring Drive Tool Part Number

N/A R1108D
Removal Drill Size6 N/A 29/64

N/A

  • The external thread has a special pitch diameter and minor diameter which installs into a MIL-S-7742 class 3B, FED-STD-H28/2, or National class 3 tapped hole.
  • Vendor Substantiation Required
  • Part must conform to M50TF9, Class A (Vendor designed parts)

  • 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.