Part AN316-8R
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Description
Approvals and Conformities NSN 5310-00-297-8901 MIL-SPEC# FF-N-836 Alternate PN#s 911C208-15, A6849-4 Product Attributes Country of Origin United States Size 1/4" Shipping Weight 0.2 pounds ECCN EAR99 Color Family Gold Manufacturer P/N AN316-8R Schedule B Code 7318.16.0000 Pack Quantity 10 Series AN316 Thread 1/2-20 Width .750 Height 1/4 Color Gold Material Steel Names are revealing. Air Force-Navy AN316s are check nuts with hex heads; they are made of steel and have a cadmium finish. In particular, the "-8" is the dash number that refers to its size, which is 1/2-20. The "R" next to it can either mean that it has a cross recessed Phillips head or has a right-hand thread. See below for more specs. Material: Steel Surface Treatment: Cadmium and chromate Surface Treatment Document and Classification: QQ-P-416, Type 2, Class 2 Nut Style: A12 Hexagon Nominal Nut Height (inches): .250 Thread Series: UNF Nominal Thread Size (inches): .500 Thread Quantity (per inch): 20 Thread Class 3B Thread Direction: Right-hand Width Across Flats Range (inches): .738 to .752 Bearing Surface Type: Chamfered Nominal Countersink Angle (degree): 110 Hardness Rating Range (Rockwell): 32 to 80
