Danfoss 3S21NK

Cplng, ST SERIES FEMALE, BRASS

MPN: 3S21NK
Category: Danfoss Hansen® quick disconnect couplings

Price and lead time confirmed within 1 business day

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12-month warranty (new) · 3-month (used/refurbished)
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What is the Danfoss 3S21NK?

Danfoss Cplng, ST SERIES FEMALE, BRASS, manufacturer part number 3S21NK. Sourced on request from PartnerPLC — contact us to check availability, condition and lead time.

Specifications

EAN/UPC	678146101846
Angle shape	Straight
Body size	3/8
Brand	Danfoss
Burst pressure min bar	772
Burst pressure min psi	11200
Connection style	Manual connect
End size 2	-6
End type 1	Female Push to Connect
End type 2	Female pipe (NPTF)
Finish plating	Nickel
Flow rate GPM	15.00
Flow rate LPM	56.78
Fluid compatibility	Versatile fluid
Hex size 1 IN	1.000
Hex size 1 MM	25.400
Item type	Female half
Latch type	Push/pull
Product material	Brass
Safety locking mechanism	None
Seal material	Nitrile (NBR)
Sub brand	Hansen
Valve type	Straight thru
Working pressure max psi	2800
Working pressure max BAR	193
Working temperature max C	121
Working temperature max F	250
Working temperature min C	-40
Working temperature min F	-40

3S21NK: frequently asked questions

When can 3S21NK be shipped?

3S21NK is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up 3S21NK in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for 3S21NK and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 3S21NK, subject to availability and destination.