National Stock Number (NSN) Output Data
NSN:
NIIN:
Item Name:
SCREW , SHOULDER
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN.) (1.5 MM) OR LARGER. IT HAS A ROUND UNTHREADED NECK OR SHANK ALL OR PART OF WHICH IS OF GREATER DIAMETER THAN THE THREADED PORTION. THE HEAD IS DESIGNED TO BE DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH IN SIZES BELOW NO. 10 (0.190 IN.) (5 MM) NOMINAL DIAMETER. NO. 10 (0.190 IN.) (5 MM) AND LARGER SIZES MUST BE DESIGNED FOR ANY TYPE OF INSERTED DRIVER, BUT MAY ALSO PROVIDE FOR EXTERNAL WRENCHING OF THE HEAD. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS WHICH ARE BOTH SHOULDERED AND HAVE AN EXTERNALLY RELIEVED BODY, USE SCREW, EXTERNALLY RELIEVED BODY. FOR ITEMS WITH A NO. 10 (0.190 IN.) (5 MM) OR LARGER THREAD DIAMETER WITHOUT AN INSERTED DRIVER HEAD, USE BOLT, SHOULDER. EXCLUDES BOLT, INTERNAL WRENCHING AND SCREW, CAP, SOCKET HEAD.
Reference/Part Number
CAGE Information
| Code |
Company |
| 06950 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| R1120 |
SATAIR A/S |
| 60516 |
WEST COAST AEROSPACE INC |
| 17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
| C4293 |
ALCOA FASTENING SYSTEMS FAIRCHILD FA |
| 80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
| 56878 |
SPS TECHNOLOGIES LLC DBA AEROSPACE D |
| 92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 58998 |
EMHART TEKNOLOGIES LLC DBA FASTENER |
| 76301 |
BOEING COMPANY THE DBA BOEING |
| 97928 |
HUCK INTL INC |
| 73197 |
HI-SHEAR CORPORATION |
| L4528 |
LISI AEROSPACE CANADA CORP |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| AASA |
THREAD LENGTH |
0.306 INCHES MINIMUM AND 0.356 INCHES MAXIMUM |
| CRSQ |
COUNTERSINK ANGLE |
100.0 DEGREES NOMINAL |
| AASU |
HEAD HEIGHT |
0.013 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AASK |
HEAD STYLE |
FILLISTER COUNTERSUNK |
| AAJD |
THREAD CLASS |
3A |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| FEAT |
SPECIAL FEATURES |
WITH 0.079 IN. MIN 0.080 IN. MAX W HEX SOCKET DRIVE ON THREAD END |
| AATN |
SHOULDER DIAMETER |
0.202 INCHES MINIMUM FIRST SHOULDER AND 0.203 INCHES MAXIMUM FIRST SHOULDER |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| MATT |
MATERIAL |
STEEL COMP 301 OVERALL |
| AATX |
SHOULDER LENGTH |
0.195 INCHES MINIMUM FIRST SHOULDER AND 0.224 INCHES MAXIMUM FIRST SHOULDER |
| AASL |
HEAD DIAMETER |
0.2966 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM |
| ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
| AASB |
FASTENER LENGTH |
0.566 INCHES MINIMUM AND 0.596 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
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