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 |
| S7549 |
AEROSPACE INDUSTRIAL DEVELOPMENT COR |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| AGAV |
END ITEM IDENTIFICATION |
PACER DAWN |
| ANEE |
GRIP LENGTH |
1.180 INCHES MINIMUM AND 1.200 INCHES MAXIMUM |
| CRTL |
CRITICALITY CODE JUSTIFICATION |
ANEE AND AAUR |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| CQBC |
MINIMUM TENSILE STRENGTH |
220000 POUNDS PER SQUARE INCH |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASL |
HEAD DIAMETER |
0.258 INCHES MINIMUM AND 0.305 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
NAS672 NATIONAL SPEC 1ST TREATMENT RESPONSE OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAWU |
SINGLE SHEAR STRENGTH |
132000 POUNDS PER SQUARE INCH |
| AASA |
THREAD LENGTH |
0.363 INCHES NOMINAL |
| MATT |
MATERIAL |
STEEL COMP H11 OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
OFFSET CRUCIFORM (TORQUE SET) |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| AASB |
FASTENER LENGTH |
1.553 INCHES NOMINAL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
Similar Parts