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 |
| 80205 |
NATIONAL AEROSPACE STANDARDS COMMITT |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AASK |
HEAD STYLE |
PAN NO. 2 |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| ANEE |
GRIP LENGTH |
0.125 INCHES NOMINAL |
| AAJD |
THREAD CLASS |
3A |
| AASB |
FASTENER LENGTH |
0.528 INCHES NOMINAL |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AHYM |
NOMINAL THREAD DIAMETER |
0.2500 INCHES |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
NAS498 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASU |
HEAD HEIGHT |
0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL OVERALL |
| AAUR |
GRIP DIAMETER |
0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
| AASL |
HEAD DIAMETER |
0.477 INCHES MINIMUM AND 0.492 INCHES MAXIMUM |
| AGAV |
END ITEM IDENTIFICATION |
LGM30 |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| AASA |
THREAD LENGTH |
0.403 INCHES NOMINAL |
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