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SKU:6404-05-02
6404 Series — Female O-Ring to MNPT in steel. 16 options stocked. Choose the size you need from the order table — each row is a separate stocked part number.
Specifications
Material: Steel
Fitting Type: Adapter
Connection Type: FORB|MPT
Operating Temperature: 375 °F
Series: 6404
Configuration: 6404 Series — Female O-Ring to MNPT
Product line: Steel Pipe Adapters
Stocked part numbers: 16
Part numbers & options
Part #
Size
Pack quantities
6404-05-02
5/16" Female O-Ring Boss × 1/8" Male NPT
—
6404-08-12
1/2" Female O-Ring Boss × 3/4" Male NPT
Box 150, Case 150
6404-14-12
7/8" Female O-Ring Boss × 3/4" Male NPT
—
64041012
5/8" Female O-Ring Boss × 3/4" Male NPT
Box 150, Case 150
6404108
5/8" Female O-Ring Boss × 1/2" Male NPT
Case 160
64041212
3/4" Female O-Ring Boss × 3/4" Male NPT
Case 120
64041216
3/4" Female O-Ring Boss × 1" Male NPT
—
64041616
1" Female O-Ring Boss × 1" Male NPT
Case 70
64042424
1-1/2" Female O-Ring Boss × 1-1/2" Male NPT
Box 30, Case 30
640444
1/4" Female O-Ring Boss × 1/4" Male NPT
Case 540
640446
1/4" Female O-Ring Boss × 3/8" Male NPT
—
640464
3/8" Female O-Ring Boss × 1/4" Male NPT
Case 300
640466
3/8" Female O-Ring Boss × 3/8" Male NPT
Case 400
640468
3/8" Female O-Ring Boss × 1/2" Male NPT
Case 325
640486
1/2" Female O-Ring Boss × 3/8" Male NPT
Case 250
640488
1/2" Female O-Ring Boss × 1/2" Male NPT
Case 180
Ships from SupplyTie Fittings & Hydraulics. Free freight on every order. $75 minimum order per shipment from this location — the cart will tell you if you are short.
Most items ship in 1–3 business days; special-order and drop-ship items vary by vendor.
Does shipping cost extra?
Freight depends on which supplier ships the item. Your cart shows each shipment's freight and any free-freight threshold before you check out.
Can I get a better price on a larger quantity?
Larger quantities often price lower. In your cart, use "Request a quote for this cart" (or our Request a Quote form) for a volume price.
How can I pay?
By card at checkout. ACH or check is accepted on invoiced orders, and Net 30 terms are available for approved business accounts.
What if something arrives damaged or wrong?
Tell us within 7 days of delivery, with photos and your order number, and we will replace it or refund it at our cost. Items you no longer want can only come back with prior approval, within 14 days, unopened, with a 20% restocking fee, and the buyer pays the return freight. Custom, opened and hazardous items, and chemicals and adhesives once shipped, cannot be returned. Details are in our Refund & Return Policy.
