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 |
| 23667 |
SMITHS DETECTION-EDGEWOOD INC DIV ED |
| 80064 |
NAVAL SHIP SYSTEMS COMMAND |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AATX |
SHOULDER LENGTH |
0.067 INCHES MINIMUM FIRST SHOULDER AND 0.071 INCHES MAXIMUM FIRST SHOULDER |
| AATX |
SHOULDER LENGTH |
0.067 INCHES MINIMUM FIRST SHOULDER AND 0.071 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| MATT |
MATERIAL |
STEEL COMP 303 OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.099 INCHES |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AATN |
SHOULDER DIAMETER |
0.155 INCHES MINIMUM FIRST SHOULDER AND 0.156 INCHES MAXIMUM FIRST SHOULDER |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASL |
HEAD DIAMETER |
0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
2A |
| CMLP |
THREAD QUANTITY PER INCH |
56 |
| AASA |
THREAD LENGTH |
0.148 INCHES MINIMUM AND 0.152 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
0.219 INCHES NOMINAL |
| AASU |
HEAD HEIGHT |
0.068 INCHES MINIMUM AND 0.088 INCHES MAXIMUM |
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