| EXPANSION DEVICE | SERRATED STEM-TYPE W |
| FASTENER LENGTH | 0.635 INCHES NOMINAL |
| GRIP LENGTH | 0.376 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| HEAD HEIGHT | 0.107 INCHES MINIMUM AND 0.117 INCHES MAXIMUM |
| HEAD STYLE | UNIVERSAL |
| HEAD MAJOR DIAMETER | 0.475 INCHES MINIMUM AND 0.525 INCHES MAXIMUM |
| HEAT TREATMENT | H-38 STRAIN HARDENED LOCKING RING |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE LOCKING RING |
| MATERIAL | ALUMINUM ALLOY 5056 LOCKING RING |
| SHANK DIAMETER | 0.249 INCHES MINIMUM AND 0.253 INCHES MAXIMUM |
| SHANK STYLE | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE SLEEVE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE STEM |
| SURFACE TREATMENT | CHROMATE STEM |
| SURFACE TREATMENT | ANODIZE SLEEVE |