LRU Hold-Down Latches and Front Locking Devices
QSJ-B3-3
B3-clamp · L 98.5 mm · M5×0.5 mounting
QSJ-B3-3 belongs to the LRU Hold-Down Latches and Front Locking Devices range and is listed in the 2025 Perseus public parts catalogue. The figures below are the manual values for this part number; confirm the drawing before release to production.
Dimensions and specification
| Type | B3-clamp |
|---|---|
| L (mm) | 98.5 |
| X1 (mm) | 82.4 |
| X2 (mm) | 124.4 |
| Weight (g) | 90 g |
| Mounting hole | M5×0.5 |
| Material | Aluminium alloy, titanium alloy |
| Finish | Hard anodize, sand blast |
| Holding capacity | 5 kg (11 lb) at condition A, 14 kg (31 lb) at condition B |
Dimensions in millimetres and weight in grams unless the label states otherwise. Temperatures are given in °C with the °F equivalent.
Where it is used
Rack-mounted avionics LRUs, airborne equipment cases and ground-vehicle electronics that have to be held positively in the rack and released quickly for service.