National Stock Number (NSN) Output Data
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.
Reference/Part Number
CAGE Information
| Code |
Company |
| 16712 |
SIEMENS DEMAG DELAVAL TURBOMACHINERY |
| 59180 |
IMO INDUSTRIES INC DBA IMO PUMP DIVI |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AATN |
SHOULDER DIAMETER |
0.593 INCHES NOMINAL SECOND SHOULDER |
| CWYB |
SHOULDER SHAPE |
ROUND ALL SHOULDERS |
| AATX |
SHOULDER LENGTH |
0.633 INCHES NOMINAL FIRST SHOULDER |
| AASK |
HEAD STYLE |
PAN NO. 2 |
| ASDB |
WIDTH ACROSS FLATS |
0.322 INCHES NOMINAL |
| AASA |
THREAD LENGTH |
0.500 INCHES NOMINAL |
| SFTT |
SURFACE TREATMENT |
DICHROMATE OVERALL |
| AASB |
FASTENER LENGTH |
2.750 INCHES NOMINAL |
| AASU |
HEAD HEIGHT |
0.135 INCHES NOMINAL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| FEAT |
SPECIAL FEATURES |
FURNISHED WITH ONE SLOTTED HEX NUT |
| MATT |
MATERIAL |
STEEL OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AHYM |
NOMINAL THREAD DIAMETER |
0.437 INCHES |
| AAJD |
THREAD CLASS |
2A |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| AATN |
SHOULDER DIAMETER |
0.500 INCHES NOMINAL FIRST SHOULDER |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| AATX |
SHOULDER LENGTH |
1.563 INCHES NOMINAL SECOND SHOULDER |
| AASL |
HEAD DIAMETER |
0.750 INCHES NOMINAL |
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