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 |
| 58998 |
EMHART TEKNOLOGIES LLC DBA FASTENER |
| 43999 |
BOEING COMPANY THE DBA BOEING DIV DE |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES THREADS |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| AASL |
HEAD DIAMETER |
0.360 INCHES MINIMUM AND 0.374 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.425 INCHES MINIMUM AND 0.465 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
180000 POUNDS PER SQUARE INCH |
| AASK |
HEAD STYLE |
PAN NO. 2 |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES BEARING SURFACE OF HEAD |
| ANEE |
GRIP LENGTH |
0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| FEAT |
SPECIAL FEATURES |
3 KEYWAYS 1.280 IN. MIN. AND 1.300 IN. MAX. LONG AND 0.030 IN. MIN. AND 0.034 IN. MAX. WIDE MACHINED IN SHANK. BORE MACHINED IN THREAD END TO RECEIVE PLUG |
| MATT |
MATERIAL |
IRON ALLOY 660 OVERALL |
| AASB |
FASTENER LENGTH |
1.310 INCHES MINIMUM AND 1.330 INCHES MAXIMUM |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| ASDB |
WIDTH ACROSS FLATS |
0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAUR |
GRIP DIAMETER |
0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 5732 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| AASU |
HEAD HEIGHT |
0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
Similar Parts