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 |
| L4528 |
LISI AEROSPACE CANADA CORP |
| 97928 |
HUCK INTL INC |
| K5673 |
SPS TECHNOLOGIES LTD TJ BROOKS DIVIS |
| 92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 73197 |
HI-SHEAR CORPORATION |
| 76301 |
BOEING COMPANY THE DBA BOEING |
| 80539 |
SPS TECHNOLOGIES LLC DBA AEROSPACE F |
| 0PTK6 |
SPS TECHNOLOGIES INC |
| 58998 |
EMHART TEKNOLOGIES LLC DBA FASTENER |
| 17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
| 60516 |
WEST COAST AEROSPACE INC |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CRSQ |
COUNTERSINK ANGLE |
100.0 DEGREES NOMINAL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AATN |
SHOULDER DIAMETER |
0.2802 INCHES MINIMUM FIRST SHOULDER AND 0.2807 INCHES MAXIMUM FIRST SHOULDER |
| FEAT |
SPECIAL FEATURES |
FURNISHED WITH ONE RUBBER O RING |
| AATX |
SHOULDER LENGTH |
0.680 INCHES MINIMUM FIRST SHOULDER AND 0.702 INCHES MAXIMUM FIRST SHOULDER |
| AAJD |
THREAD CLASS |
3A |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| 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 |
| AASA |
THREAD LENGTH |
0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP XM-13 OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
| AASU |
HEAD HEIGHT |
0.0582 INCHES MINIMUM AND 0.0602 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK UNDERCUT |
| AASB |
FASTENER LENGTH |
1.203 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| AASL |
HEAD DIAMETER |
0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
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