The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, head_height: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN, thread_length: 0.844 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-978-9394, indicating validated use in U.S.
government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
| material | STEEL OVERALL |
| head_style | FLAT CHAMFER |
| head_height | 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| thread_class | 3A A |
| head_diameter | 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| thread_length | 0.844 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| fastener_length | 0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| hardness_rating | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM AND CHROMATE OVERALL |
| width_across_flats | 0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN |
| internal_drive_style | HEXAGON |
| NSN | 5305-00-978-9394 |
| THREAD CLASS | 3A A |
| INTERNAL DRIVE STYLE | HEXAGON |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 6 TYPE |
| MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH LBS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| NOMINAL THREAD DIAMETER | 0.375 INCHES IN |
| WIDTH ACROSS FLATS | 0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH LBS |
| END ITEM IDENTIFICATION | HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS) |