What This Header Is
The Amphenol FCI BERGSTIK II 79425-460HLF is a dual-row unshrouded male header rated 5A per circuit at 110V, built on the 0.100-inch (2.54mm) pitch that defined board-to-board interconnects for decades of industrial automation and instrumentation. It terminates through-hole solder, carries all 60 positions loaded, and uses a push-pull fastening type — meaning the connector relies on friction fit rather than a locking latch, which is the series' standard and the trade-off for its low insertion profile.
What the Fastening Type Means
Push-pull fastening is the standard for unshrouded dual-row headers of this pitch — the mating half seats by friction and a light retention force. The consequence for your design: in any environment with sustained vibration or thermal cycling that could work the connector loose, you need a secondary retention mechanism (a board-mount clip, an adhesive, or a housing with a positive latch) or you should select a shrouded locking variant. The push-pull header itself makes no claim on vibration performance; the board assembly does.
Flammability and Insulation
The black insulation is rated UL94 V-0 — the highest flammability rating in the UL94 scale — which means the housing self-extinguishes and does not drip burning material. That satisfies the flame-retardant requirement in most industrial and instrumentation enclosures without requiring a separate flame-barrier step. The insulation height of 0.100 inch matches the pitch, keeping the mated pair flat in tight board stacks.
Lifecycle and Sourcing
The 79425-460HLF carries an Active product status. The base product number is 79425 — the only series-level cross-reference for this part. Quoted to order against BOM quantity via RFQ; confirm the mating half's position count and locking requirement before committing to the 60-position count on the board layout.