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 |
| 89944 |
KOLLSMAN INC. |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AHYM |
NOMINAL THREAD DIAMETER |
0.086 INCHES |
| AASL |
HEAD DIAMETER |
0.161 INCHES MINIMUM AND 0.167 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| AATX |
SHOULDER LENGTH |
0.060 INCHES NOMINAL FIRST SHOULDER |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| MATT |
MATERIAL |
STEEL COMP 1213 OVERALL |
| AATN |
SHOULDER DIAMETER |
0.106 INCHES NOMINAL FIRST SHOULDER |
| AASB |
FASTENER LENGTH |
0.190 INCHES NOMINAL |
| CMLP |
THREAD QUANTITY PER INCH |
64 |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AASA |
THREAD LENGTH |
0.097 INCHES MINIMUM |
| CRSQ |
COUNTERSINK ANGLE |
82.0 DEGREES NOMINAL |
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