NIIN Output Data
NIIN:
NSN:
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 |
17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
76301 |
BOEING COMPANY THE DBA BOEING |
50392 |
SPS TECHNOLOGIES INC |
L4528 |
LISI AEROSPACE CANADA CORP |
73197 |
HI-SHEAR CORPORATION |
97928 |
HUCK INTL INC |
56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
AASL |
HEAD DIAMETER |
0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
AASL |
HEAD DIAMETER |
0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
CRSQ |
COUNTERSINK ANGLE |
100.0 DEGREES NOMINAL |
THSD |
THREAD SERIES DESIGNATOR |
UNJF |
AASB |
FASTENER LENGTH |
1.694 INCHES MINIMUM AND 1.740 INCHES MAXIMUM |
AAJD |
THREAD CLASS |
3A |
AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
CMLP |
THREAD QUANTITY PER INCH |
28 |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
PS 13145 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
MATT |
MATERIAL |
STEEL OVERALL |
AAUR |
GRIP DIAMETER |
0.2797 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM |
MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
23-105 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
ANEE |
GRIP LENGTH |
1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM |
AASA |
THREAD LENGTH |
0.372 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
ZZZK |
SPECIFICATION/STANDARD DATA |
76301-ST3-547 MANUFACTURERS STANDARD |
SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
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