| EXPANSION DEVICE | KNOB STEM-TYPE K |
| FASTENER LENGTH | 0.568 INCHES MAXIMUM |
| GRIP LENGTH | 0.126 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
| HEAD HEIGHT | 0.054 INCHES MINIMUM AND 0.064 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.238 INCHES MINIMUM AND 0.262 INCHES MAXIMUM |
| HEAD STYLE | UNIVERSAL |
| 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 | QQA-430 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| MATERIAL | ALUMINUM ALLOY 2024 STEM |
| MATERIAL | ALUMINUM ALLOY 5056 LOCKING RING |
| MATERIAL | ALUMINUM ALLOY 5056 SLEEVE |
| SHANK DIAMETER | 0.124 INCHES MINIMUM AND 0.129 INCHES MAXIMUM |
| SHANK STYLE | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| SPECIAL FEATURES | FOR USE WITH SINGLE ACTION HAND HELD INSTALLATION TOOLS OR AUTOMATED INSTALLATION EQUIP. MARKED WITH A DEPRESSED "S" SPINDLE HEAD OR CODED YELLOW ON SPINDLE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE LOCKING RING |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE SLEEVE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE STEM |