800H PB Sealing Nut Accessory, Type 7&9, Type 4 Rating When Used With Flange Seal, For All Type 7&9 Operators, Class I Div. 1Application 800H-N479 SEALING LOCKNUT
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Primary Spec Sheet
https://static.graybarcanada.com/Generic/idw/pdf/1c191a2fac19b461a10fb18ff33c5c7a5f1fc273.pdf
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Spec Sheet
https://static.graybarcanada.com/Generic/11447_hn1oibtsq9pz26x7.pdf