Part Number
Part Number:
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.
CAGE Information
| Code |
Company |
| 64648 |
WELLS-GARDNER ELECTRONICS CORP |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AASA |
THREAD LENGTH |
0.156 INCHES MINIMUM |
| AASA |
THREAD LENGTH |
0.156 INCHES MINIMUM |
| MATT |
MATERIAL |
STEEL CORROSION RESISTING OVERALL |
| AASL |
HEAD DIAMETER |
0.250 INCHES NOMINAL |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| AATN |
SHOULDER DIAMETER |
0.152 INCHES MINIMUM FIRST SHOULDER AND 0.154 INCHES MAXIMUM FIRST SHOULDER |
| AASB |
FASTENER LENGTH |
0.250 INCHES NOMINAL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
ROUND |
| AATX |
SHOULDER LENGTH |
0.062 INCHES NOMINAL FIRST SHOULDER |
| AHYM |
NOMINAL THREAD DIAMETER |
0.112 INCHES |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| AASU |
HEAD HEIGHT |
0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
40 |
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