Part Number
Part Number:
NSN:
NIIN:
Item Name:
SCREW , CLOSE TOLERANCE
Definition:
A SCREW, MACHINE OR SCREW, CAP, SOCKET HEAD WHOSE UNTHREADED PORTION IS OF SPECIFIED GRIP LENGTH, PLATED OR UNPLATED, AND IS MACHINED TO A TOLERANCE OF ONE THOUSANDTH (0.001 IN.) (0.025 MM) OR LESS OF A SPECIFIC DIAMETER FOR ITEMS (1.000 IN.) (25 MM) OR LESS IN DIAMETER. ITEMS OVER (1.000 IN.) (25 MM) IN DIAMETER SHALL HAVE A TOLERANCE OF FIFTEEN TEN THOUSANDTHS (0.0015 IN.) (0.038 MM) OR LESS. THE NOMINAL MAJOR DIAMETER OF THE THREADS SHALL BE AT LEAST ONE THOUSANDTH (0.001 IN.) (0.025 MM) BELOW THE MINIMUM SHANK DIAMETER, BUT NOT BELOW THE MINIMUM MAJOR DIAMETER FOR APPLICABLE CLASS OF FIT, AS SHOWN IN THE SCREW THREAD STANDARDS, FED STD H28 AND/OR OTHER NATIONALLY RECOGNIZED STANDARDS. THE HEAD IS DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER. IT IS NOT DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS.
CAGE Information
| Code |
Company |
| 80205 |
NATIONAL AEROSPACE STANDARDS COMMITT |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AASK |
HEAD STYLE |
PAN NO. 2 |
| MATT |
MATERIAL |
STEEL COMP E4340 OVERALL OR STEEL COMP 8740 OVERALL |
| CQWR |
EXTERNAL THREAD TOLERANCE CLASS |
4H6H |
| ANEE |
GRIP LENGTH |
9.8 MILLIMETERS MINIMUM AND 10.2 MILLIMETERS MAXIMUM |
| AAUR |
GRIP DIAMETER |
3.965 MILLIMETERS MINIMUM AND 3.990 MILLIMETERS MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
1100 MEGAPASCALS |
| AHYM |
NOMINAL THREAD DIAMETER |
4.0 MILLIMETERS |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASU |
HEAD HEIGHT |
2.2 MILLIMETERS MINIMUM AND 2.4 MILLIMETERS MAXIMUM |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AASL |
HEAD DIAMETER |
7.7 MILLIMETERS MINIMUM AND 8.0 MILLIMETERS MAXIMUM |
| CQQR |
THREAD PITCH IN MILLIMETERS |
0.7 |
| THSD |
THREAD SERIES DESIGNATOR |
MJ |
| AASA |
THREAD LENGTH |
7.5 MILLIMETERS NOMINAL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AASB |
FASTENER LENGTH |
17.2 MILLIMETERS MINIMUM AND 17.8 MILLIMETERS MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
OFFSET CRUCIFORM (TORQUE SET) |
| CXCY |
PART NAME ASSIGNED BY CONTROLLING AGENCY |
SCREW, CLOSE TOLERANCE PAN HEAD OFFSET CRUCIFORM RECESS ALLOY STEEL, 1100 MPA, METRIC |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
Similar Parts