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Keystone Electronics 1540-4 — Turret Terminals

Keystone 1540-4 Hollow Turret Terminal, Tin, 0.433" Overall

MPN1540-4
Active

Keystone Electronics turret terminal, order code 1540-4, single end hollow, tin contact finish, 0.433" (11.00 mm) overall length, staking flare termination, through-hole mounting, bulk package.

$0.5500Ref. price · indicative, final on quote
RoHSROHS3 Compliant
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

1540-4 specifications
ParameterValue
MountingThrough Hole
Terminal typeSingle End, Hollow
Mounting hole diameter0.094\" (2.39mm)
Contact materialBrass
PackageBulk
InsulationNon-Insulated
TerminationStaking Flare
Contact finishTin
Board thickness0.125\" (3.18mm)
Flange diameter0.156\" (3.96mm)
Staking side OD0.090\" (2.29mm)
Length - overall0.433\" (11.00mm)
Number of turretsSingle
Length - above board0.266\" (6.76mm)
Length - below flange0.167\" (4.24mm)
Diameter - turret head0.120\" (3.05mm)

Product details

Single end hollow turret terminal

The 1540-4 is a single end hollow turret terminal from Keystone Electronics, 0.433" (11.00 mm) overall length, tin-plated brass, staking flare termination for through-hole mounting. Above-board height is 0.266" (6.76 mm); the 0.156" (3.96 mm) flange diameter and 0.094" (2.39 mm) mounting hole diameter define the board footprint.

Frequently asked questions

What compliance documentation is available for the 1540-4?

The 1540-4 is RoHS3 compliant.