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 |
23168 |
HAMMEL DAHL INC |
80064 |
NAVAL SHIP SYSTEMS COMMAND |
34889 |
HUNT VALVE COMPANY INC DBA UNION FLO |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC |
Requirements Statement |
Clear Text Reply |
ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
AATN |
SHOULDER DIAMETER |
0.202 INCHES MINIMUM FIRST SHOULDER AND 0.203 INCHES MAXIMUM FIRST SHOULDER |
AASB |
FASTENER LENGTH |
0.812 INCHES NOMINAL |
AASU |
HEAD HEIGHT |
0.094 INCHES NOMINAL |
AASL |
HEAD DIAMETER |
0.344 INCHES NOMINAL |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AHYM |
NOMINAL THREAD DIAMETER |
0.164 INCHES |
AASK |
HEAD STYLE |
FLAT CHAMFER |
THSD |
THREAD SERIES DESIGNATOR |
UNC |
AAJD |
THREAD CLASS |
2A |
MATT |
MATERIAL |
NICKEL ALLOY 400 OVERALL |
AASA |
THREAD LENGTH |
0.188 INCHES MINIMUM |
CMLP |
THREAD QUANTITY PER INCH |
32 |
AATX |
SHOULDER LENGTH |
0.625 INCHES NOMINAL FIRST SHOULDER |
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