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 |
| 11871 |
RECON/OPTICAL INC. |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AHYM |
NOMINAL THREAD DIAMETER |
0.086 INCHES |
| AHYM |
NOMINAL THREAD DIAMETER |
0.086 INCHES |
| AASA |
THREAD LENGTH |
0.099 INCHES MINIMUM AND 0.109 INCHES MAXIMUM |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AASU |
HEAD HEIGHT |
0.090 INCHES NOMINAL |
| FEAT |
SPECIAL FEATURES |
UNDERCUT 0.020 WIDE TO 0.070 DIA BETWEEN SHOULDER AND THREAD |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| AATX |
SHOULDER LENGTH |
0.122 INCHES MINIMUM FIRST SHOULDER AND 0.128 INCHES MAXIMUM FIRST SHOULDER |
| MATT |
MATERIAL |
STEEL OVERALL |
| AASL |
HEAD DIAMETER |
0.180 INCHES NOMINAL |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| CMLP |
THREAD QUANTITY PER INCH |
56 |
| AASB |
FASTENER LENGTH |
0.244 INCHES MINIMUM AND 0.254 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| AATN |
SHOULDER DIAMETER |
0.113 INCHES MINIMUM FIRST SHOULDER AND 0.115 INCHES MAXIMUM FIRST SHOULDER |
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