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SMA Coupling Nuts

  • SMA Coupling Nuts securely attach ferrules to lasers or interface devices like cables and adapters.

  • They are crucial for maintaining the ferrule’s position while tightening the connector.

SMA Coupling Nuts
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Customize Your Product

Material Options

  • Available in nickel-plated brass, stainless steel, or plastic.

Design Choices

  • Choose from round or hexagonal shapes, with the option of a straight or knurled grip for enhanced tightening.

Customization

  • All Coupling nuts are bulk packing (100 per bag)

  • Standard plastic nuts come in black, with custom colors available for larger orders.

  • All Coupling nuts have a thread size of 1/4x36 2B UNS

  • Nuts can feature the Amphenol logo, no logo, or a custom design.

Custom logos require an additional cost and a higher minimum order quantity.

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SMA Coupling Nuts

Part number
Description
Material
Type
Logo
Diameter "OD" in Inches (Over Knurl)
Length
905-5169-P
SMA Coupling Nut, Plastic, Black
Plastic
Knurl
yes
7.925 mm (0.312 +0.005 / -0.005 ")
7.112 mm (0.28")
905-5190-P
SMA Coupling Nut, Short Version
Stainless Steel
Knurl
yes
7.925 mm (0.312 +0.005 / -0.005 ")
6.78 mm(0.267)
905-5191-P
SMA Coupling Nut, Standard
Nickel Plated Brass
Knurl
Yes
7.925 mm (0.312 +0.005 / -0.005 ")
7.112 mm (0.28")
905-5191-N-P
SMA Coupling Nut, Standard
Nickel Plated Brass
Knurl
no
7.925 mm (0.312 +0.005 / -0.005 ")
7.112 mm (0.28")
905-5296-P
SMA Coupling Nut, Tight Tolerance .314" OD
Nickel Plated Brass
Knurl
Yes
7.97 mm (0.314 +0.001 / -0.000")
7.112 mm (0.28")
905-5330-P
SMA Coupling Nut, Tight Tolerance, .312" OD
Nickel Plated Brass
Knurl
Yes
7.92 mm (.312 +0.001 / -0.000)
7.112 mm (0.28")
905-5377-P
SMA Coupling Nut, Tight Tolerance .315 OD
Nickel Plated Brass
Knurl
Yes
8.001 mm (0.315 +0.010 / -0.10")
7.112 mm (0.28")
905-5385-P
SMA Coupling Nut, Quad Thread
Stainless Steel
Knurl Quad Thread
yes
8.128 mm (0.320 +0.010 / - 0.010")
7.112 mm (0.28")

Hex Nuts

Part number
Description
Material
Type
Logo
Diameter "OD" in Inches (Over Knurl)
Length
905-5080-C-P
SMA Coupling Nut, Bulk
Stainless Steel
Hex
yes
7.92 mm(0.312 +0.005 / -0.005 ")
7.112 mm (0.28")
905-5111-S-P
SMA Coupling Nut, Bulk
Stainless Steel
Hex
yes
7.92 mm(0.312 +0.005 / -0.005 ")
7.112 mm (0.28")
905-5276-P
SMA Standard Hex Coupling Nut, Bulk
Stainless Steel
Hex
no
7.92 mm(0.312 +0.005 / -0.005 ")
1.57 mm (.0618")

Bulk Packing Options for Existing Part Numbers

Bulk Quantity
Suffix to Add
100
-P
500
-Y
1000
-Z
SMA Coupling Nuts
Amphenol FOP - Medical

sales@amphenol-fop.com

Tel. (833) 499-2385

1431 Opus Place, Suite 500 

 Downers Grove, IL 60515

© Amphenol Fiber Optic Products

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