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5100 Series Low Spill Connect Under Pressure Quick Disconnect, Female Half, -12 Coupling, 3/4-14 Female Pipe

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Description & Features

The 5100 Series Low Spill Connect Under Pressure Quick Disconnect, Female Half, -12 Coupling, 3/4-14 Female Pipe is designed for efficient fluid transfer in hydraulic applications. This coupling is ideal for on-highway hydraulic wet lines, dump and refuse vehicles, and bulk liquid transfer systems.

With its tubular valve construction, the coupling minimizes fluid loss during disconnection and helps reduce environmental and safety hazards. Its low air inclusion during connection ensures system performance is maintained, making it suitable for high-stakes environments.

Constructed with a standard brass body and steel valving components, this coupling is built for durability. It supports connect under pressure capability up to 500 psi, facilitating easy connections even when pressurized. Standard seal materials include Buna-N, Vitonreg;, and EPR, providing reliability in various conditions. The coupling is also available with either wing or hex nut configurations for flexible installation options.

MPN: C1BS60

Supplier Part Number: 5100-S5-12B

Specifications

A
3.09
Air Inclusion Max
0.34 Cubic_centimeter
Application
Hydraulics and fluid transfer, On-highway hydraulic wet lines, Dump and refuse vehicles, Bulk liquid transfer
B
4.06
Coupling Size
-12
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13553
End Gender 2
13555
End Size 1
0.75
End Size 2
0.75
End Type 1
NPT
End Type 2
NPTF
Fluid Loss
0.26 Cubic_centimeter
Minimum Working Temperature
-40
Seal Material
Buna-N
Supplier Part Number
5100-S5-12B
Thread 1
3/4-14
Thread Sealant
No
Alternate Part Numbers
Alternate Part Number C1BS60, Alternate Part Number MI-00298004, Alternate Part Number MINO-00402F46491, Alternate Part Number MINO-00925X11356
Product Weight
1.21 lbs

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Product Questions & Answers (3)

Question by: Clint H on Feb 18, 2026, 3:17 PM
got a wet line setup on a dump trailer. is this the female half that’ll hook up under a little pressure or do i gotta bleed it off first
Answer by: Customer Support on Feb 19, 2026, 7:20 PM
Connect against pressure is one of the built-in features on this 5100 Series female half, so you can mate the halves even when the line is still pressurized up to 500 psi.
Question by: Curt B on Oct 10, 2025, 6:21 PM
trying to swap out a female half on a wet line, is this one the -12 size with 3/4-14 female pipe threads?
Answer by: Customer Support on Oct 12, 2025, 4:36 PM
You are looking at a female half in coupling size -12 with a 3/4-14 female pipe thread. The end type is listed as NPT on one side and NPTF on the other, with 0.75 end size.
Question by: Duane T on Sep 15, 2025, 4:31 PM
What kind of fluids can this thing handle?
Answer by: Customer Support on Sep 17, 2025, 7:33 AM
This coupling works reliably with standard seal materials like Buna-N, Viton, and EPR, making it suitable for a variety of hydraulic fluids.