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 |
06950 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
97928 |
HUCK INTL INC |
76301 |
BOEING COMPANY THE DBA BOEING |
92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
L4528 |
LISI AEROSPACE CANADA CORP |
60516 |
WEST COAST AEROSPACE INC |
58998 |
EMHART TEKNOLOGIES LLC DBA FASTENER |
17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
73197 |
HI-SHEAR CORPORATION |
K5673 |
SPS TECHNOLOGIES LTD TJ BROOKS DIVIS |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
AASL |
HEAD DIAMETER |
0.389 INCHES MINIMUM AND 0.394 INCHES MAXIMUM |
FEAT |
SPECIAL FEATURES |
COLOR NO. 37875 PER FED-STD-595 |
THSD |
THREAD SERIES DESIGNATOR |
UNJF |
ANEE |
GRIP LENGTH |
1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM |
AASA |
THREAD LENGTH |
0.241 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
AASK |
HEAD STYLE |
FILLISTER COUNTERSUNK |
AAJD |
THREAD CLASS |
3A |
CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
1.238 INCHES MINIMUM FIRST HOLE AND 1.278 INCHES MAXIMUM FIRST HOLE |
AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
CMLP |
THREAD QUANTITY PER INCH |
28 |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
MATT |
MATERIAL |
STEEL COMP XM-13 OVERALL |
CQBC |
MINIMUM TENSILE STRENGTH |
125000 POUNDS PER SQUARE INCH |
AASU |
HEAD HEIGHT |
0.015 INCHES MAXIMUM |
HUES |
COLOR |
WHITE HEAD |
ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
AAUR |
GRIP DIAMETER |
0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
AASB |
FASTENER LENGTH |
1.359 INCHES MINIMUM AND 1.389 INCHES MAXIMUM |
AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE |
SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
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