← The LEGO Parts Guide › Articulation › Hinge › Smooth

1×4 Hinge, Base (Part 3831)

1978-2025CURRENT

Custom LEGO part image © 2025 Tom Alphin / Brick Architect.

External Links

LEGO parts are described differently on other websites and may use different part numbers.

LEGO Pick a Brick:
3831 HINGE 1X2 LOWER PART
Bricklink:
3831 Hinge Brick 1 x 4 Swivel Base
Rebrickable:
3831 Hinge Brick 1 x 4 [Lower]
Brickset:
3831 HINGE 1X2 LOWER PART
LDraw:
3831 Hinge Brick 1 x 4 Base
 CURRENTALL YEARS
OVERALL RANK
-18
421
351
# PIECES
395(RANK: 425)
1530(RANK: 381)
# SETS
101(RANK: 517)
458(RANK: 390)
# COLORS
12(RANK: 397)
19(RANK: 399)

Ranking based on buying one copy of every LEGO set, counting the number of sets containing each part, then sorting by part and color.

Overall Rank is a weighted score combining the number of parts, sets, and colors produced.

Current ranking based on sets released between 2020-2024. (2025 not included because too few sets have been released and inventoried at this time.)

Printable LEGO Brick Label

1×4 Hinge,
Base
3831
.LBX

Requires a compatible Brother Label Printer — learn more at brickarchitect.com/labels.

A label for this part is included in the legacy LEGO Brick Labels collection.

Date Added: 2024-02-21 12:00:00
Date Modified: 2025-05-13 20:27:02

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