Cut Sheet

Liquidtight STF Connectors with Threaded Hubs
For Liquidtight Flexible Metal Conduit. Female ST Connectors.
Applications
• For use with liquidtight fl exible metal conduit when making
connection to threaded rigid conduit and IMC.
Features
• Female ST connectors have a unique long ferrule with more
pronounced threads that provide over four times UL pull-out
requirements. The ferrule also provides maximum surface
contact for better sealing and a continuous, permanent, positive
metal-to-metal ground.
• Liquidtight/raintight/oiltight.
• Suitable for wet locations.
• Full, machined tapered threads (NPT).
• ST connectors have compact design with small turning radius.
Standard Material/Finish
• 3/8" thru 1": steel with steel ferrule; 1-1/4" thru 4": malleable
iron with aluminum ferrule
• Steel: zinc electroplate
• Malleable iron: zinc electroplate, chromate and epoxy powder
coat/zinc electroplate
Certifications and Compliances
• UL Standard: 514B
• UL Listed: E14814
• CSA Standard: C22.2 No. 18.3
• CSA Certifi ed: 065178
• NEMA: FB-1
Options
• Grounding lugs can be provided. Contact local sales
representative.
Catalog
Number
Trade Size
(Inches)
Dimensions in Inches/Millimeters
Weight Lbs./
Kgs. Per 100ABC
Female ST Connectors with Threaded Hubs
A
C
B
ST-38F 3/8 flex,1/2 hub 1.31/33.3 0.44/11.2 1.13/28.7 13.00/5.90
ST-50F 1/2 1.31/33.3 0.44/11.2 1.25/31.8 14.00/6.35
ST-75F 3/4 1.44/36.6 0.50/12.7 1.50/38.1 21.00/9.53
ST-100F 1 1.56/39.6 0.69/17.5 1.81/45.9 31.00/14.06
ST-125F 1-1/4 1.06/52.3 0.94/23.8 2.31/58.7 99.00/44.90
ST-150F 1-1/2 2.50/63.5 1.12/28.4 2.63/66.8 143.70/65.18
ST-200F 2 2.75/69.9 1.25/31.8 3.19/81.0 225.00/102.06
ST-250F 2-1/2 3.12/79.2 1.38/35.1 3.94/100.1 403.10/182.84
ST-300F 3 3.68/93.5 1.56/39.6 4.38/111.3 427.60/193.96
ST-400F 4 3.94/100.1 1.75/44.5 5.50/139.7 662.40/300.46
Suitable for use in Class I, Division 2
Commercial Products
COMMERCIAL PRODUCTS: LIQUIDTIGHT CONDUIT FITTINGS
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© January 2011
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