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 |
| 80063 |
US ARMY COMMUNICATIONS & ELECTRONICS |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.136 INCHES NOMINAL FIRST HOLE |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.136 INCHES NOMINAL FIRST HOLE |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
| MATT |
MATERIAL |
STEEL COMP 1120 OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| AASL |
HEAD DIAMETER |
0.625 INCHES NOMINAL |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AASU |
HEAD HEIGHT |
0.250 INCHES NOMINAL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| AATX |
SHOULDER LENGTH |
0.625 INCHES MINIMUM FIRST SHOULDER AND 0.635 INCHES MAXIMUM FIRST SHOULDER |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASB |
FASTENER LENGTH |
1.375 INCHES NOMINAL |
| AAJD |
THREAD CLASS |
2A |
| SFTT |
SURFACE TREATMENT |
PHOSPHATE OVERALL |
| AASA |
THREAD LENGTH |
0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.375 INCHES |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
1.250 INCHES NOMINAL FIRST HOLE |
| AATN |
SHOULDER DIAMETER |
0.494 INCHES MINIMUM FIRST SHOULDER AND 0.496 INCHES MAXIMUM FIRST SHOULDER |
Similar Parts