Part Number 5224315-1 Lockbar

Steel, chrome-molybdenum, 4140, per MIL-S-5626, normalized chromium plated per QQ-C-320, class 2, type 2, 0.002 in. Min thk, 0.004 in. Max thk heat treated per MIL-H-6875 to rockwell c scale 40.0 min, 46.0 max 7.500 in. lg 2.990 in. Min, 2.992 in. Max w 1.740 in. Min, 1.742 in. Max h 3 holes one end, ctr 1.000 in. Fm one edge along w, ctr 1.000 in. Apart ctr hole tapped 0.875-14UNF-2B, 1.000 in. Min, 1.240 in. Max dp 2 holes tapped 0.190-32UNF-2B, 0.380 in. Min, 0.620 in. Max dp 4 grooves 0.045 in. Min, 0.075 in. Max dp, 4 sides across w, 0.620 in. Radius inside chamfer 45.0 deg: opposite thd end, 0.120 in. W, and 4 edges along lg, 0.060 in. Min, 0.063 in. Max w groove ctrs fm non-thd end: 1.600 in. 1ST, 3.000 in. 2ND, 4.500 in. 3RD, 5.900 in. 4TH; nickel plated per MIL-C-26074, class 2, grade b, 0.0005 in. Min thk, under chromium plating

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