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A28-4x4 Couplamatic A Series Coupling - Tube Repair Coupling - 1/4" Hose ID - 7/16x20 Thread

A28-4x4 by Couplamatic | A Series Tube Repair Coupling | 1/4" Hose ID x 7/16x20 Thread | Straight

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$10.08
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$10.08
$6.05
$6.05 - $6.05
$6.05

Couplamatic Systems Inc.
A Series - Tube Repair Couplings
Specifications for Variant SKU: A28-4x4 Couplamatic
Series: A Series
Shape (Orientation): No Orientation
Ends Configuration: 7/16in Tube Compression, 1/4in Hose Barb
Material(s): Steel
Compatible with the following Series: 56MB-1 Series  |   57MB-2 Series  |   56MB-2 Series  |   HPI Series  |   HPIII Series  |   2SN Series  |   2SK Series  |   R16 Series  |   DH16 Series  |   DHEX16 Series  |   R17 Series  |   R17R Series  |   WDH17 Series  |   JH Series  |   JH2 Series
A Series — Bite to the Wire

A28 A Series — Straight

A28 is the Straight configuration of the A Series, terminating 100R1/1SN thin cover, 100R2 thin cover, 2SN, 2SK, Hy-Plus I and III, 100R16/2SC, CS-Guard R16, Dura-Hyd R16 and EX, 100R17, Dura-Hyd R17, 100R19 and jack hose.

1

What are the main product features?
  • A Series couplings can be crimped in virtually all adjustable crimp machines. Some non-adjustable crimp equipment can produce crimp dimensions within CSI's recommended crimp specification. Trivalent Zinc Plating.
  • Bite to the wire — the shell grips the hose reinforcement directly for a permanent termination.
  • Widest braid hose coverage — including 100R19 and hydraulic jack hose in male NPTF solid.
2

Which sizes are available?
Part Number Hose I.D. Thread Size Tube OD Hex Size Nut Hex Cross Reference Part Numbers
Aeroquip TTC Weatherhead Z
A28-4x4 1/4" 7/16x20 1/4" 9/16" 9/16" 1AA4MT4 04Z-754
A28-6x6 3/8" 9/16x18 3/8" 11/16" 11/16" 1AA6MT6 06Z-756
A28-6x8 3/8" 3/4x16 1/2" 3/4" 7/8" — —
A28-8x8 1/2" 3/4x16 1/2" 7/8" 7/8" 1AA8MT8 08Z-758
3

Which nuts and sleeves fit this coupling?
Nuts and Sleeves
Tube Size Nut Part Number Sleeve Part Number
1/4" 718x4 719x4
3/8" 718x6 719x6
1/2" 718x8 719x8
i
The cross reference is for thread identification and hose inside diameter only. Exact dimensions of the couplings may vary from manufacturer to manufacturer. Please check hose cut off factor, tube length, and tube drop carefully.

Couplamatic Systems Inc

In the business for over 50 years, we're here to bring you the highest quality, most rigorously tested, American made hydraulic components on the market. We utilize state-of-the-art facilities and equipment to produce industry leading, quality hydraulic products. When you buy Couplamatic System Inc. products, you are buying precision and reliability.

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