| HEAD STYLE | KNURLED NO. 5 | 
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | 
| MATERIAL | STEEL OVERALL | 
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | PIN | 
| PROPRIETARY CHARACTERISTICS | PACS | 
| NOMINAL THREAD DIAMETER | 0.375 INCHES | 
| SHOULDER DIAMETER | 0.490 INCHES MINIMUM  AND 0.500 INCHES MAXIMUM ALL SHOULDERS | 
| SHOULDER LENGTH | 1.00 INCHES NOMINAL ALL SHOULDERS | 
| SHOULDER SHAPE | ROUND ALL SHOULDERS | 
| SPECIAL FEATURES | HEAD HAS A CENTRALLY LOCATED HOLE WITH NUMBER 10-24 UNC-2B THREADING .38 INCHES DEEP | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2404 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | 
| SURFACE TREATMENT | NICKEL OVERALL | 
| THREAD CLASS | 2A | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD LENGTH | 1.50 INCHES NOMINAL | 
| THREAD QUANTITY PER INCH | 16 | 
| THREAD SERIES DESIGNATOR | UNC | 
| FASTENER LENGTH | 2.50 INCHES NOMINAL | 
| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM  AND 39.0 ROCKWELL C MAXIMUM OVERALL | 
| HEAD DIAMETER | 1.25 INCHES NOMINAL | 
| HEAD HEIGHT | 1.00 INCHES NOMINAL |