| NONMACHINE THREAD STYLE | DRIVE SCREW (TYPE U) |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.138 INCHES |
| FASTENER LENGTH | 0.296 INCHES MINIMUM AND |
| 0.328 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1016 OR |
| STEEL COMP 1018 OR |
| STEEL COMP 1019 OR |
| STEEL COMP 1021 OR |
| STEEL COMP 1022 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI 1016 ASSN STD 1ST MATERIAL RESPONSE OR |
| AISI 1018 ASSN STD 2ND MATERIAL RESPONSE OR |
| AISI 1019 ASSN STD 3RD MATERIAL RESPONSE OR |
| AISI 1021 ASSN STD 4TH MATERIAL RESPONSE OR |
| AISI 1022 ASSN STD 5TH MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC AND |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633, TYPE II ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| COLOR | BRONZE OR |
| OLIVE DRAB OVERALL |
| HEAD STYLE | ROUND |
| HEAD DIAMETER | 0.240 INCHES MINIMUM AND |
| 0.260 INCHES MAXIMUM |
| HEAD HEIGHT | 0.091 INCHES MINIMUM AND |
| 0.103 INCHES MAXIMUM |
| PILOT DIAMETER | 0.112 INCHES MINIMUM AND |
| 0.116 INCHES MAXIMUM |
| PILOT LENGTH | 0.047 INCHES NOMINAL |
| FEATURES PROVIDED | CASEHARDENED |
| SPECIAL FEATURES | PROTECTIVE FINISH 1.9.2.3 OF MIL-STD-171, EXCEPT .0003 THICK. |