Unit of Measure


N/A CA18377



Cage Material

N/A 301 CRES per MIL-S-5059, ASTM-A-666, AMS5517 or AMS5901

Ring Material

N/A Elgiloy Wire per Elgiloy Spec. No. 54-71A and/or AMS 5833/AMS 5834

Cage Finish

N/A Passivate per QQ-P-35

Ring Finish

N/A Passivate per QQ-P-35

Cage Heat Treat

N/A None

Ring Heat Treat

N/A Age Hardened per Elgiloy Spec. No. 54-71A and/or AMS5834


N/A 0.055 lb

Stud Nut Part Number

N/A CA1800 CA18000

Installation Tool Part Number

N/A CA1825-T11


  • To be used with CA1800 and CA18000 series stud nuts.
  • Retaining rings are sold mounted on installation tool as shown in figure 2 to insure proper installation -50 rings per tool.
  • Panel preparation:
    • 0.484 in Dia Min. C´Bore x 0.045 Min. Depth
    • C´Bore location optional. Underside of outer panel preferred.
  • Installation procedure:
    • Insert pilot point completely into stud nut threads.
    • Slide caged retaining ring onto stud nut with "tabs" facing stud nut head as shown in figure 2.