1/4"-28, Standard Acorn Capnut, 7/16" W X 15/32" H, Aluminum.

Part #1315629

MFG #1315629

Specifications

Brand: Hardware Specialty

Finish: Plain

Material: Aluminum

Mil-Spec: No

Nut Height: 15/32"

Nut Width: 7/16"

System of Measurement: Unified (inch)

Thread Fit: Class 2B

Thread Size: 1/4" - 28

Thread Type: UNF