Identification Code Color: Yellow Fastener Length: 0.385 Inches Nominal Head Style: Oval Washer Head Height: 0.054 Inches Minimum And 0.064 Inches Maximum Shank Diameter: 0.125 Inches Nominal Shank Style: Self-Plugging Shank W/Grooved End For Locking Head Major Diameter: 0.250 Inches Nominal Expansion Device: Plain Stem-Type T Grip Length: 0.188 Inches Minimum And 0.250 Inches Maximum Heat Treatment: H-38 Strain Hardened Locking Ring Heat Treatment: T-4 Solution Heat Treated Sleeve Material: Aluminum Alloy 2017 Sleeve Material: Aluminum Alloy 5056 Locking Ring Material: Aluminum Alloy 7075 Stem Material Document And Classification: Qq-A-430 Fed Spec Single Material Response Locking Ring Material Document And Classification: Qq-A-430 Fed Spec Single Material Response Sleeve Material Document And Classification: Qq-A-430 Fed Spec Single Material Response Stem Surface Treatment: Anodize Sleeve And Chromate Sleeve Surface Treatment: Chromate Stem Surface Treatment Document And Classification: Mil-A-8625 Mil Spec 1St Treatment Response Sleeve Or Mil-C-5541 Mil Spec 2Nd Treatment Response Sleeve Surface Treatment Document And Classification: MIL-C-55541 Mil Spec Single Treatment Response Stem