| CRITICALITY CODE JUSTIFICATION | ZZZY |
| FASTENER LENGTH | 2.920 INCHES MINIMUM AND 3.060 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
| HEAD HEIGHT | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| HEAD DIAMETER | 1.032 INCHES MINIMUM AND 1.094 INCHES MAXIMUM |
| HEAD STYLE | BUTTON |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 384 OR STEEL COMP 410 OR STEEL COMP 416 OVERALL |
| NECK LENGTH | 0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM |
| NECK WIDTH | 0.492 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS |
| SPECIAL TEST FEATURES | SPECIAL QUALITY CONTROL TESTING |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| 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.). |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2A |
| THREAD LENGTH | 1.250 INCHES MINIMUM |
| THREAD SERIES DESIGNATOR | UNC |
| THREAD QUANTITY PER INCH | 13 |