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Unit of Measure

Series

N/A SF(T)5902

Material

N/A 8740 Alloy Steel per AMS6322

Heat Treat

N/A 35 HRC ( 160 KSI min)

Finish

N/A Cadmium Plate per AMS- QQ-P-416, Type II, Class 3

Military Part Number

N/A MS51992C508-52

Lockring - Low Strength Magnesium

N/A RL1997-108

Lockring - Aluminum

N/A RLRR1997-108

Lockring Part Number

N/A RLRR1997E108

Lockring Military Part Number

N/A MS51997E108P

Nut End Type

N/A Undrilled

A Nut End Thread Size

N/A 0.6250-18 UNJF-3A

Stud End type

N/A No Recess

B Stud End Thread Size

N/A 0.8750-14

B Stud End Thread-Pitch Diameter

N/A 0.8328-0.8308 in

B Stud End Thread-Minor Diameter

N/A 0.7916-0.7786 in

C ±.020

N/A 1.153 in

D - Dia

N/A 0.624-0.620 in

E - Dia +.005 -.004

N/A 0.687 in

F - Dia +.007 -.002

N/A 0.721 in

G - Dia +.000 -.015

N/A 0.778 in

H - Dia Min

N/A 0.645 in

J

N/A 30.000

K +2 -1

N/A 111.000 º

T ±.015

N/A 1.000 in

V ±.016

N/A 0.255 Inch

P - Dia ±.010

N/A 0.532 in

L ±.015

N/A 3.250 in

Grip Length

N/A 2.250 in

Shank Length

N/A 0.312 in

Step Drill Part Number

N/A SDC875JC

Drive Wrench Number

N/A R1111W

Lockring Drive Tool Part Number

N/A SF5902-8D

Notes

N/A
  • Surface Roughness: ANSIB 46.1 except serrated collar. Machined surfaces to be 125 microinch Ra per
  • Threads: The stud end thread has a special pitch diameter and minor diameter which installs into A AS8879, class 3B tapped hole.
  • Concentricity: Shank of nut end shall be concentric with serrated collar within 0.006 FIR.
  • Fillets: R .030 Maximum
  • Edges: Edges broken .003-.015 umless otherwise specified
  • "T"dimension will terminate within3 pitches of serrated collar.