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 |
| 06710 |
VALLEY-TODECO INC. |
| 17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
| 73197 |
HI-SHEAR CORPORATION |
| 76301 |
BOEING COMPANY THE DBA BOEING |
| 80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
| 06950 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
| 1VSL7 |
HOUSTON PRECISION FASTENER L.L.C. |
| 60516 |
WEST COAST AEROSPACE INC |
| 0ZC92 |
HEARTLAND PRECISION FASTENERS INC. |
| C4293 |
ALCOA FASTENING SYSTEMS FAIRCHILD FA |
| K5673 |
SPS TECHNOLOGIES LTD TJ BROOKS DIVIS |
| L4528 |
LISI AEROSPACE CANADA CORP |
| 27624 |
PAUL R. BRILES INC. DBA PB FASTENERS |
| 58998 |
EMHART TEKNOLOGIES LLC DBA FASTENER |
| 06725 |
SPS TECHNOLOGIES LLC DBA AIR INDUSTR |
| 92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 97928 |
HUCK INTL INC |
| 59563 |
REID PRODUCTS INC. |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CRSQ |
COUNTERSINK ANGLE |
101.0 DEGREES NOMINAL |
| SFTT |
SURFACE TREATMENT |
ALUMINUM OVERALL AND CHROMATE OVERALL |
| AASA |
THREAD LENGTH |
0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AASB |
FASTENER LENGTH |
0.829 INCHES MINIMUM AND 0.859 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
MIL-C-83488 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASL |
HEAD DIAMETER |
0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
OVAL COUNTERSUNK |
| MATT |
MATERIAL |
STEEL COMP XM-13 OVERALL |
| AAUR |
GRIP DIAMETER |
0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| ANEE |
GRIP LENGTH |
0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
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