| CRITICALITY CODE JUSTIFICATION | ZZZY |
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY MATERIAL |
| HEAD COUNTERSINK ANGLE | 20.0 DEGREES NOMINAL |
| HEAD DIAMETER | 0.665 INCHES NOMINAL |
| HEAD STYLE | FLAT COUNTERSUNK |
| MATERIAL | STEEL COMP 12L14 OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| NUT DIAMETER | 0.500 INCHES NOMINAL |
| NUT LENGTH | 1.120 INCHES NOMINAL |
| NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANK |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS |
| SHANK END TYPE | OPEN |
| SPECIAL TEST FEATURES | SPECIAL QUALITY CONTROL TESTING |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633,TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL AND CHROMATE 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 CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES | UNC |