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 |
| 80205 |
NATIONAL AEROSPACE STANDARDS COMMITT |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AASK |
HEAD STYLE |
PAN NO. 2 |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-35, TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL OR QQ-P-35, TYPE VI OR VII FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AASU |
HEAD HEIGHT |
0.094 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
0.500 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AATX |
SHOULDER LENGTH |
0.375 INCHES NOMINAL OVERALL |
| CWYB |
SHOULDER SHAPE |
ROUND OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.112 INCHES |
| AASL |
HEAD DIAMETER |
0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.125 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| MATT |
MATERIAL |
STEEL COMP 304 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP XM-7 OVERALL |
| AATN |
SHOULDER DIAMETER |
0.123 INCHES MINIMUM OVERALL AND 0.124 INCHES MAXIMUM OVERALL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
ASTM A582/582M ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR ASTM A493 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
40 |
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