The Multiquip ZT74A8 1/4" Nylock Hex Nut is a genuine OEM fastener designed for the BP-25H gasoline backpack flex-shaft vibrator. Sourced directly from Multiquip, this nut meets the exact specifications used in original assembly, ensuring a secure, rattle-resistant fit right out of the box. If you're servicing or rebuilding your BP-25H, using the correct OEM hardware keeps every connection tight and every component seated as intended.
Key Features
- Nylon Insert Locking Design — The integrated nylock collar grips thread engagement and resists loosening under the continuous vibration loads generated by backpack vibrator operation.
- Genuine OEM Hardware Grade — Manufactured to the same material and dimensional spec as the original fastener, so thread pitch, hex size, and clamping torque values are exactly what the machine was engineered around.
- Direct Drop-In Replacement — Sized and threaded to install exactly as the factory fastener did on BP-25H assemblies, with no chasing, re-tapping, or adaptation needed.
- Confirmed Fitment for BP-25H — Verified OEM compatibility with the BP-25H gasoline backpack flex-shaft vibrator series.
- Prevents Hardware Failure Mid-Pour — A loosened or missing fastener on a vibrator assembly can compromise component alignment and shaft operation at the worst possible moment; replacing worn hardware keeps the unit functioning as designed.
A nylock hex nut is a standard hex nut fitted with a nylon locking insert at one end. When threaded onto a fastener, the nylon collar deforms slightly around the threads, creating friction that resists vibration-induced loosening without requiring thread-locking compound. On equipment like the BP-25H backpack vibrator — which operates under constant high-frequency vibration — standard nuts can back off over time, causing component movement, misalignment, or mechanical failure. Replacing worn or damaged nylock nuts with the correct OEM hardware is a simple but critical step in any service or rebuild procedure.
Part Details
| Part Number | ZT74A8 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | 1/4" Nylock Hex Nut |
Compatibility & Fitment
| Name | Model |
|---|---|
| Gasoline Backpack Vibrator | BP-25H |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
