| EXPANSION DEVICE | KNOB STEM-TYPE K |
| FASTENER LENGTH | 1.401 INCHES MAXIMUM |
| GRIP LENGTH | 0.501 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| HEAD HEIGHT | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.356 INCHES MINIMUM AND 0.394 INCHES MAXIMUM |
| HEAD STYLE | UNIVERSAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE 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 | ALUMINUM ALLOY 2024 STEM |
| MATERIAL | ALUMINUM ALLOY 5056 LOCKING RING |
| MATERIAL | ALUMINUM ALLOY 5056 SLEEVE |
| SHANK DIAMETER | 0.186 INCHES MINIMUM AND 0.191 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" ON SPINDLE OR CODED YELLOW ON SPINDLE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE STEM |