CSXL820SP

Imperial Long Crownserts

CSX Series / Locking Type / Inconel 718 SP / Long

Installed using the Crownserts Hand-Installation Tool:  CSTL820

CSXL820SP reinforces or repairs 1/2-20 UNJF-3B imperial threads in aluminium, magnesium or other non-ferrous materials. Inconel 718 with silver-plated internal surfaces, with .530-.535 tap-hole guidance and CSTL820 hand installation tooling.

Crownserts can offer you the part CSXL820SP with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSXL820SP - Imperial Long Crownserts
CSXL820SP - Imperial Long Crownserts
CSXL820SP - Imperial Long Crownserts
CSXL820SP - Imperial Long Crownserts
 How to install a Crownsert?
CSXL820SP - Imperial Long Crownserts
CSXL820SP - Imperial Long Crownserts
CSXL820SP - Imperial Long Crownserts

Thread & Dimensions

Thread Ø A 1/2-20 UNJF-3B
Thread Ø B 9/16-24 UNJEF-3A
Minor diameter max .5290
Ø C (±.003) .507
D (±.010) 1.125
E ref .64
F (±.005) .120
G (±.005) .105
H ref .439
J 44
Through-hole preparation Min. full THD depth 1,348; Min. full depth 1.160
Blind-hole preparation Min. full THD depth 1,264; Min. full depth 1.160
CSXL820SP schematic

Material & Finish

Material Inconel 718 per AMS 5662
Finish Internal surfaces: Silver plated per AMS 2411 (0.0002 in min. thickness); External surfaces: Passivated per AMS 2700
Material note Only available as locking SP version.
Rolls Royce Applicable YES

Tooling & Preparation

Hand-installation tool part number CSTL820
Step drill part number CSD0531
Tap through tool part number TTI0561 / TTI0562
Blind tap tool part number TBI0561 / TBI0562
Removal tool part number CSRT820
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Crownserts is offering part CSXL820SP as factory new.