| SFTT |
SURFACE TREATMENT |
ZINC OVERALL |
| AASA |
THREAD LENGTH |
0.750 INCHES MINIMUM |
| FEAT |
SPECIAL FEATURES |
FURNISHED WITH ONE SQUARE NUT IN ACCORDANCE WITH FEDERAL SPECIFICATION FF-N-836 TYPE1 STYLE1 ZINC COATED |
| AASL |
HEAD DIAMETER |
0.563 INCHES MINIMUM AND 0.594 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AGQB |
NECK LENGTH |
0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
207.0 BRINELL STANDARD MAXIMUM OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ZZZW |
DEPARTURE FROM CITED DOCUMENT |
AS MODIFIED BY ADDITION OF SQUARE NUT |
| AASK |
HEAD STYLE |
BUTTON |
| MATT |
MATERIAL |
STEEL OVERALL |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
1 TYPE AND 1 CLASS AND A STYLE |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| AASB |
FASTENER LENGTH |
1.500 INCHES NOMINAL |
| CQBC |
MINIMUM TENSILE STRENGTH |
55000 POUNDS PER SQUARE INCH |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| CWXQ |
NECK WIDTH |
0.245 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |