| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.418 INCHES MINIMUM AND |
| 0.500 INCHES MAXIMUM |
| FASTENER LENGTH | 0.480 INCHES MINIMUM AND |
| 0.500 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 304 OR |
| STEEL COMP 305 OR |
| STEEL COMP 316 OR |
| STEEL COMP 384 OR |
| STEEL COMP XM-7 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR |
| QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OR |
| QQ-S-763 FED SPEC 3RD MATERIAL RESPONSE OR |
| ASTM A493 ASSN STD 1ST MATERIAL RESPONSE OR |
| ASTM A493 ASSN STD 2ND MATERIAL RESPONSE OR |
| ASTM A493 ASSN STD 3RD MATERIAL RESPONSE OR |
| ASTM A493 ASSN STD 4TH MATERIAL RESPONSE OR |
| ASTM A493 ASSN STD 5TH MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | WATERTIGHT |
| HEAD DIAMETER | 0.256 INCHES MINIMUM AND |
| 0.294 INCHES MAXIMUM |
| HEAD HEIGHT | 0.087 INCHES MINIMUM AND |
| 0.097 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| LOCKING FEATURE | STRIP OR |
| PATCH OR |
| PELLET THREADS |
| SPECIAL FEATURES | FURNISHED WITH ONE O-RING |