SMC ANSI Safety Lock Carabiner


  • Brand: SMC
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SKU: NFPA21501 UPC: 870449001513 Category: Tag:
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Product Description

SMC’s Large Steel Locking D and ANSI Safety Lock were developed especially for the needs of the Industrial Work and Rescue communities with a large gate opening that easily fits over litter rails..

The NFPA21501 ANSI Safety Lock is a triple stage auto-locking version of the NFPA21001 featuring an ANSI Z359.12 compliant gate break strength of 16kN to meet all your OSHA compliance issues.

The NFPA21501 features stainless steel gates for greater strength and reliability. All the components in these carabiners are meticulously hand finished after machining resulting in the smooth, free gate action that is the hallmark of all SMC carabiners. Additionally, each carabiner is 100% hand inspected for gate action and other functional characteristics before leaving our factory. If you want a carabiner that performs just as well after 1,000 jobs as it did the first time you used it then you need to buy SMC.


  • NFPA1983 certified
  • ANSI z359.12 (2009 edition) certified
  • Manufactured using high quality Alloy Steel for optimal ratio of strength to weight.
  • Sleeve is precisely aligned by hand so that it moves freely and locks on gate not the frame which prevents jamming upon release under heavy loads.
  • Stainless steel gates and other internal parts insure trouble free performance.
  • Thread design and medium knurl provide a positive action for secure use with gloves yet is easy on bare hands.
  • Made in USA.
  • Material: Steel
  • Finish: Zinc Plated
  • Dimensions:
    • Height: 5.04 in.
    • Width: 2.97 in.
  • Gate Opening: 1.2 in.
  • MBS Major Axis: 10,341 lbf. (46kN)
  • Weight: 11.5 oz.


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