NIIN Output Data
NIIN:
NSN:
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 |
| 10001 |
NAVAIR AND NAVSEA MANAGED ORIGINAL D |
| 56232 |
LOCKHEED MARTIN CORPORATION DBA LOCK |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| AASA |
THREAD LENGTH |
0.058 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AATN |
SHOULDER DIAMETER |
0.185 INCHES MINIMUM FIRST SHOULDER AND 0.195 INCHES MAXIMUM FIRST SHOULDER |
| AASK |
HEAD STYLE |
DEE CHAMFER |
| MATT |
MATERIAL |
STEEL OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| FEAT |
SPECIAL FEATURES |
NITRIC ACID BATH |
| AASY |
DISTANCE FROM CENTERLINE TO FLAT |
0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| AATX |
SHOULDER LENGTH |
0.245 INCHES MINIMUM FIRST SHOULDER AND 0.255 INCHES MAXIMUM FIRST SHOULDER |
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