| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| MATT |
MATERIAL |
STEEL COMP 4037 OVERALL AND STEEL COMP 8630 OVERALL |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS1298 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AAJD |
THREAD CLASS |
3A |
| AASA |
THREAD LENGTH |
0.453 INCHES NOMINAL |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS6300 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| AASB |
FASTENER LENGTH |
1.265 INCHES MINIMUM AND 1.305 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.162 INCHES MINIMUM AND 0.183 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
125000 POUNDS PER SQUARE INCH |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416, TY2, CL2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| AATN |
SHOULDER DIAMETER |
0.309 INCHES MINIMUM FIRST SHOULDER AND 0.312 INCHES MAXIMUM FIRST SHOULDER |
| AATX |
SHOULDER LENGTH |
0.698 INCHES MINIMUM FIRST SHOULDER AND 0.708 INCHES MAXIMUM FIRST SHOULDER |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| CQFM |
HARDNESS RATING |
26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| AASL |
HEAD DIAMETER |
0.568 INCHES MINIMUM AND 0.601 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
PAN |