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 |
| 0B6S1 |
INTERNATIONAL BUSINESS MACHINES CORP |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AATX |
SHOULDER LENGTH |
0.050 INCHES NOMINAL SECOND SHOULDER |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-C-320,CL @2 FED SPEC 1ST TREATMENT RESPONSE OVERALL AND QQ-N-290 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| CWYB |
SHOULDER SHAPE |
ROUND ALL SHOULDERS |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| AASU |
HEAD HEIGHT |
0.090 INCHES MINIMUM AND 0.105 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.248 INCHES NOMINAL |
| AATN |
SHOULDER DIAMETER |
0.155 INCHES MINIMUM FIRST SHOULDER AND 0.156 INCHES MAXIMUM FIRST SHOULDER |
| AATN |
SHOULDER DIAMETER |
0.143 INCHES MINIMUM SECOND SHOULDER AND 0.145 INCHES MAXIMUM SECOND SHOULDER |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| AASL |
HEAD DIAMETER |
0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CHROMIUM OVERALL AND NICKEL OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| AHYM |
NOMINAL THREAD DIAMETER |
0.125 INCHES |
| AASB |
FASTENER LENGTH |
0.603 INCHES MINIMUM AND 0.648 INCHES MAXIMUM |
| AATX |
SHOULDER LENGTH |
0.280 INCHES NOMINAL FIRST SHOULDER |
| MATT |
MATERIAL |
STEEL COMP 1117 OVERALL |
| FEAT |
SPECIAL FEATURES |
THIRD SHOULDER DIA 0.265 IN. MIN AND 0.280 IN. MAX LG 0.040 IN. |
| CMLP |
THREAD QUANTITY PER INCH |
40 |
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