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All Metal Miniature Hex Lock Nut

Applications: The LH1660 Series is made of stainless steel, type 18-8/303, suitable for application at 900°F with the addition of dry lubricant (molybdenum disulphide). The LH1660 Series is also available in carbon steel suitable for application at 450°F.

When ordering for use at higher temperature ranges requiring dry film lubricant, specify prefix "RM" (example: RM79LH1660-40)
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Item #

Size

Thread

Height - A

Across Flats - B

(Ref) Across Corners - C

(Ref) Wrench Pad - D

xxLH1660-26 N/A #2 N/A 2-56 N/A .095 in N/A .158-.150 in N/A .169 in N/A .048 in
xxLH1660-38 N/A #3 N/A 3-48 N/A .110 in N/A .190-.181 in N/A .205 in N/A .063 in
xxLH1660-40 N/A #4 N/A 4-40 N/A .110 in N/A .190-.181 in N/A .205 in N/A .063 in
xxLH1660-50 N/A #5 N/A 5-40 N/A .120 in N/A .190-.181 in N/A .205 in N/A .076 in
xxLH1660-62 N/A #6 N/A 6-32 N/A .140 in N/A .220-.212 in N/A .233 in N/A .085 in
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