| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
3.250 INCHES NOMINAL |
| AASL |
HEAD DIAMETER |
0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| MATT |
MATERIAL |
STEEL OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.375 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
FF-S-86 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CXCY |
PART NAME ASSIGNED BY CONTROLLING AGENCY |
SCREW, CAP, SOCKET HEAD, UNDRILLED, PLAIN, ALLOY STEEL, UNRF-3A |
| FEAT |
SPECIAL FEATURES |
MIN BREAKING STRENGTH 15,800(H) POUNDS BASED ON 180 KSI HEAT TREATMENT |
| THSD |
THREAD SERIES DESIGNATOR |
UNRF |
| ASDB |
WIDTH ACROSS FLATS |
0.312 INCHES NOMINAL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
AMS-QQ-P-416, TYPE II, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
1.250 INCHES NOMINAL |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
