| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
0.850 INCHES MINIMUM AND 0.880 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.200 INCHES NOMINAL |
| AASK |
HEAD STYLE |
HEXAGON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE J429 GR 5 ASSN STD SINGLE MATERIAL RESPONSE FASTENER OR BW-278-M MFR REF SINGLE MATERIAL RESPONSE FASTENER |
| MATT |
MATERIAL |
PLASTIC POLYAMIDE LOCKING FEATURE |
| MATT |
MATERIAL |
STEEL FASTENER |
| CQBC |
MINIMUM TENSILE STRENGTH |
120000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| AAUM |
LOCKING FEATURE |
PATCH THREADS OR PELLET THREADS |
| AATB |
WIDTH BETWEEN FLATS |
0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
BW-162A-P MFR REF 1ST TREATMENT RESPONSE FASTENER AND BW-307A-P MFR REF 2ND TREATMENT RESPONSE FASTENER |
| SFTT |
SURFACE TREATMENT |
ZINC FASTENER AND CHROMIUM FASTENER |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.710 INCHES MINIMUM AND 0.880 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
