| CRITICALITY CODE JUSTIFICATION | ZZZY |
| FASTENER LENGTH | 0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| HEAD DIAMETER | 0.550 INCHES MINIMUM AND 0.563 INCHES MAXIMUM |
| HEAD HEIGHT | 0.360 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | REFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY CONTROL. MANUFACTURING AND TESTING SPECIFICATIONS AVAILABLE AT THE DLA ICP |
| SPECIAL FEATURES | ITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE SUPPLY CENTER PHILADELPHIA PRODUCTION STANDARD NO. PO0094NRP |
| SPECIAL TEST FEATURES | SPECIAL QUALITY CONTROL TESTING |
| WIDTH ACROSS FLATS | 0.3125 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| 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 | 3A |
| THREAD LENGTH | 0.845 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNC |
| THREAD QUANTITY PER INCH | 16 |