SRQB374L0074

Imperial Long Inserts

Locking Type / Inconel 718 SP / Long

Installed using the Crownserts Hand-Installation Tool:  CSTL624

SRQB374L0074 repairs/reinforces 3/8-24 UNJF-3B imperial threads in Al/Mg or other non-ferrous materials; Inconel 718, internally silver-plated. Tap hole .403-.408; install with CSTL624. This is an old Anemo part. Please use CSXL624SP.

We can offer you the part SRQB374L0074 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

SRQB374L0074 - Imperial Long Inserts
SRQB374L0074 - Imperial Long Inserts
SRQB374L0074 - Imperial Long Inserts
SRQB374L0074 - Imperial Long Inserts
 How to install a Crownsert?
SRQB374L0074 - Imperial Long Inserts
SRQB374L0074 - Imperial Long Inserts
SRQB374L0074 - Imperial Long Inserts

Thread & Dimensions

Thread Ø A 3/8-24 UNJF-3B
Thread Ø B 7/16-20 UNJF-3A
Minor diameter max .4010
Ø C (±.003) .382
D (±.010) .875
E ref .50
F (±.005) .120
G (±.005) .105
H ref .322
J 34
Through-hole preparation Min. full THD depth 1,135; Min. full depth .910
Blind-hole preparation Min. full THD depth 1,035; Min. full depth .910
SRQB374L0074 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 CSTL624
Step drill part number CSD0404
Tap through tool part number TTI0436 / TTI0437
Blind tap tool part number TBI0436 / TBI0437
Removal tool part number CSRT624
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