DeWalt 1004691-74 — Original DeWalt compression spring
Keep your rotary-hammer working like new with this original DeWalt-design helical compression spring (part number 1004691-74). It’s the small internal spring used in the piston/ram sub‑assembly of the SDS‑plus rotary-hammer — parts diagrams show this item as “SPRING” (two used in the assembly).
Fits / example models
- Stanley FatMax FME1250 (same parts assembly listing includes 1004691-74).
- Listings for KD1250K / KFFMED1250‑style rotary hammers (Black & Decker / Stanley ) reference the same part number.
Notes for the repair
- This is the small internal spring that provides return / tension in the hammer / piston area; so check the parts diagram for your exact tool type and order the appropriate quantity.
- Many parts suppliers list this under DeWalt / Stanley / Black & Decker — it’s the factory part number shown on service diagrams.
If you need the exact fitment for your tool, compare this part number (1004691-74) with the exploded parts diagram for your model — the part is identified as the spring in the piston / ram area in the parts list.
