| NONMACHINE THREAD STYLE | DRIVE SCREW (TYPE U) |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.138 INCHES |
| FASTENER LENGTH | 0.359 INCHES MINIMUM AND |
| 0.391 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES 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 | 0.062 INCHES NOMINAL |
| FEATURES PROVIDED | CASEHARDENED |
| TEST DATA DOCUMENT | 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| SPECIAL TEST FEATURES | SPECIAL QUALITY CONTROL TESTING |
| NONDEFINITIVE SPEC/STD DATA | U TYPE |
| DEPARTURE FROM CITED DESIGNATOR | MATERIAL MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFS107 |
| MANUFACTURERS CODE | 96906 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS21318-29 |