| FASTENER LENGTH | 0.325 INCHES MINIMUM AND 0.355 INCHES MAXIMUM |
| FSC APPLICATION DATA | BRACKET FUEL DRAIN |
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM FASTENER |
| HEAD DIAMETER | 0.248 INCHES MINIMUM AND 0.278 INCHES MAXIMUM |
| HEAD HEIGHT | 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM |
| HEAD STYLE | PAN |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MATERIAL ACCOMMODATED THICKNESS | 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6300 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| MATERIAL | COPPER ALLOY STAND-OFF |
| MATERIAL | STEEL COMP 302 SPRING |
| MATERIAL | STEEL COMP 4037 FASTENER |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| SURFACE TREATMENT | CADMIUM AND CHROMATE FASTENER |
| SURFACE TREATMENT | CADMIUM AND CHROMATE STAND-OFF |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.125 INCHES MINIMUM AND 0.155 INCHES MAXIMUM |
| THREAD CLASS | 2A |
| THREAD SERIES DESIGNATOR | UNC |
| THREAD QUANTITY PER INCH | 32 |