Self-locking nut M30x1.5 zinc plated
RY-MB150121 / SKU 90100024
Manufacturing
Stitching-head spare part for the ISP/DeLuxe S3A 7/8 book stitcher. The manual identifies it as index 125 driver for a 7/16 in crown and No. 25 round wire.
Manufacturing · Packaging · SPARE PART
D30189F
We confirm the exact reference, price, availability and lead time with you before purchasing.
Previously managed reference · Not available inventory. We confirm availability, price and lead time for each request.
| Brand | DeLuxe Stitcher / ISP Stitching & Bindery Products |
|---|---|
| Category | SPARE PART |
| Industry | Manufacturing · Packaging |
| Part number | D30189F |
| Compatible machine | S3A 7/8 Book Stitcher |
| Assembly | Stitching head assembly |
| Exploded-view index number | 125 |
| Part type | Driver |
| Crown width | 0.4375 in |
| Wire size and type | No. 25, round |
| Quantity required per assembly | 1 |
| Work range of the No. 25 round-wire set on S3A 7/8 | 2 sheets to 0.25 in |
D30189F is a replacement driver for the stitching-head assembly of the ISP/DeLuxe S3A 7/8 book stitcher. In the manual parts breakdown it appears as index 125 and is specified for a 7/16 in crown with No. 25 round wire.
The S3A 7/8 is used for flat and saddle stitching in bindery work, with former and driver sets for different wire sizes. This driver belongs to the No. 25 round-wire set, which DeLuxe lists for work from two sheets up to 1/4 in on the S3A 7/8.
For ordering or validating the spare part, the manual advises stating the quantity, part number, part name, model, wire size, and crown width of the machine.
This image represents a featured sourcing example. Confirm the exact part number, model and technical specifications with our team.
The parts shown are products we have previously located, managed or supplied. They do not represent available inventory. Availability, price and lead time are confirmed for each requirement.
Brands, logos and part numbers belong to their respective owners and are shown for technical identification. IndSolUSA (Industry Solutions USA LLC) does not present itself as an authorized distributor unless expressly stated.

We compare options with you, verify and coordinate each solution until it reaches your operation.
Tell us the problem, not just the part number. You can send us a part number, a photo, a nameplate, a datasheet or a description of the problem.