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 |
| 17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
| 92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 1VSL7 |
HOUSTON PRECISION FASTENER L.L.C. |
| 56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
| 97928 |
HUCK INTL INC |
| 80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
| K5673 |
SPS TECHNOLOGIES LTD TJ BROOKS DIVIS |
| 60516 |
WEST COAST AEROSPACE INC |
| 58998 |
EMHART TEKNOLOGIES LLC DBA FASTENER |
| 76301 |
BOEING COMPANY THE DBA BOEING |
| L4528 |
LISI AEROSPACE CANADA CORP |
| 73197 |
HI-SHEAR CORPORATION |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES THREADS |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES THREADS |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| AASL |
HEAD DIAMETER |
0.629 INCHES MINIMUM AND 0.634 INCHES MAXIMUM |
| AGAV |
END ITEM IDENTIFICATION |
AIRCRAFT, HORNET F/A-18 (E/F);AIRCRAFT, EAGLE F-15;AIRCRAFT, HARRIER AV-8B |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
NAS621 COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| ANEE |
GRIP LENGTH |
0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.505 INCHES MINIMUM AND 0.572 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
1.015 INCHES MINIMUM AND 1.062 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
| MATT |
MATERIAL |
TITANIUM ALLOY OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
| FEAT |
SPECIAL FEATURES |
FURNISHED WITH ONE O-RING SEAL |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK UNDERCUT |
| AASU |
HEAD HEIGHT |
0.088 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| CRSQ |
COUNTERSINK ANGLE |
99.5 DEGREES MINIMUM AND 100.5 DEGREES MAXIMUM |
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