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OMAX 303408-10 is the diamond orifice assembly that forms the high pressure water jet in the MAXJET 5 nozzle. It is used on OMAX MAXJET 5 nozzles. This aftermarket version is made to the same mounting and connections as the original, so it fits where the old one came off.
The same part is also sold as OMAX 305322-10.
Sold as one unit. Check the number on your old part, or in the parts manual for your machine, before ordering.
| Part Type | MAXJET 5 Diamond Orifice Assembly, 0.010 in |
| Replaces | OMAX 305322-10 |
| Type | Diamond orifice assembly |
| Orifice size | 0.010 in |
| Nozzle | OMAX MAXJET 5 |
| Supplied as | One orifice assembly |
| Cross References | OMAX 303408-10 |
| Fits | OMAX MAXJET 5 nozzles |
| Condition | New, aftermarket |
| Stat. HS-Code | 846693 |
OMAX machines
Check the part number on your old unit before ordering.
| OMAX Part No.(SPM Part No.) | Fits |
|---|---|
| 305322-10(SPM-WJP-2948) | OMAX MAXJET 5 nozzles |
| 303408-10(SPM-WJP-2948) | OMAX MAXJET 5 nozzles |
| Brand | Part No. |
|---|---|
| OMAX | 305322-10 |
| OMAX | 303408-10 (this page, SPM-WJP-2948) |
All of these numbers are the same part.
Stream breaks up or flares
A chipped or worn orifice gives a ragged, spreading jet and a wider kerf. A diamond orifice holds its edge far longer than ruby or sapphire, but it still wears or chips over time.
Cut quality drops
Taper, striations and slow cutting with a good mixing tube and abrasive feed point to the orifice.
Pressure changes
A worn orifice lets pump pressure fall at the same flow. Check it when the pump runs at full stroke rate but pressure is low.
Fitting tips
Bleed the high pressure first. Clean the seat in the nozzle body, fit the orifice the right way up, tighten to the head maker's figure and check the stream on a test cut.
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller | Price | Checked |
|---|---|---|
| eBay, aftermarket seller | USD 325.55 | 6 Oct 2026 |
| Choice Waterjet Parts | USD 375.00 | 6 Oct 2026 |
| Hennco Waterjet Supply | USD 525.00 | 6 Oct 2026 |
| Spare Part Mart | USD 260.44 | Today |
Our price of USD 260.44 is 20% to 50% less than these sellers.
Found this part cheaper somewhere else? Send us the listing and we will beat it by 5% under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
No. It is an aftermarket part made to fit in place of OMAX 305322-10. It is not made by or affiliated with OMAX; the OMAX part number is used only to show what it replaces.
It fits OMAX MAXJET 5 nozzles. Machines change parts between serial number ranges, so check the number on your old part or in your parts manual.
It is made to the same mounting and connections as the original part. Fit new gaskets and seals where they are used, and check for leaks and correct operation before putting the machine back to work.
Yes, we ship worldwide. Shipping is calculated at checkout, and every order is covered by our 30 day money back guarantee and price beat guarantee.
Prices depend on your ZIP or postcode.
Live rates for the quantity selected, delivered to your door. Confirmed at checkout.
