National Stock Number (NSN) Output Data
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.
Reference/Part Number
CAGE Information
| Code |
Company |
| 29372 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 84256 |
AVIBANK MFG. INC. |
| 80205 |
NATIONAL AEROSPACE STANDARDS COMMITT |
| 96906 |
MILITARY STANDARDS PROMULGATED BY MI |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.070 INCHES MINIMUM FIRST HOLE AND 0.080 INCHES MAXIMUM FIRST HOLE |
| ANEE |
GRIP LENGTH |
0.312 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES BEARING SURFACE OF HEAD |
| CQBC |
MINIMUM TENSILE STRENGTH |
63000 POUNDS PER SQUARE INCH |
| AAUR |
GRIP DIAMETER |
0.1889 INCHES MINIMUM AND 0.1894 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| AATB |
WIDTH BETWEEN FLATS |
0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
0.595 INCHES MINIMUM FIRST HOLE AND 0.615 INCHES MAXIMUM FIRST HOLE |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
CROWNED HEXAGON |
| MATT |
MATERIAL |
STEEL COMP XM-13 OVERALL |
| AASB |
FASTENER LENGTH |
0.685 INCHES MINIMUM AND 0.705 INCHES MAXIMUM |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASU |
HEAD HEIGHT |
0.096 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAUM |
LOCKING FEATURE |
DETENT BALL GRIP |
| AASA |
THREAD LENGTH |
0.263 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
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