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 |
| 06725 |
SPS TECHNOLOGIES LLC DBA AIR INDUSTR |
| 16258 |
SPACELOK INC. |
| L4528 |
LISI AEROSPACE CANADA CORP |
| 27624 |
PAUL R. BRILES INC. DBA PB FASTENERS |
| 80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
| 76823 |
NORTHROP GRUMMAN SYSTEMS CORPORATION |
| 97928 |
HUCK INTL INC |
| 62384 |
LFC INDUSTRIES INC. |
| 1W025 |
NORTHROP GRUMMAN SYSTEMS CORPORATION |
| 73197 |
HI-SHEAR CORPORATION |
| 06950 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
| AAUR |
GRIP DIAMETER |
0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AASB |
FASTENER LENGTH |
4.329 INCHES MINIMUM AND 4.359 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| MATT |
MATERIAL |
IRON ALLOY 660 OVERALL |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.577 INCHES MINIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
125000 POUNDS PER SQUARE INCH |
| ANEE |
GRIP LENGTH |
3.865 INCHES MINIMUM AND 3.885 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
OFFSET CRUCIFORM (TORQUE SET) |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| AASA |
THREAD LENGTH |
0.469 INCHES NOMINAL |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
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