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 |
| 16859 |
CRANE CO |
| 81340 |
UNITED STATES COAST GUARD |
| SCY13 |
E.C.A ETABLISSEMENT CENTRAL DES APPR |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AATN |
SHOULDER DIAMETER |
0.375 INCHES NOMINAL FIRST SHOULDER |
| AATN |
SHOULDER DIAMETER |
0.375 INCHES NOMINAL FIRST SHOULDER |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
| AAJD |
THREAD CLASS |
3A |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AASL |
HEAD DIAMETER |
0.500 INCHES NOMINAL |
| MATT |
MATERIAL |
COPPER ALLOY 464 OVERALL OR COPPER ALLOY 462 OVERALL OR COPPER ALLOY 482 OVERALL OR COPPER ALLOY 485 OVERALL |
| AASU |
HEAD HEIGHT |
0.156 INCHES NOMINAL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| CQFM |
HARDNESS RATING |
60.0 ROCKWELL B MINIMUM OVERALL AND 90.0 ROCKWELL B MAXIMUM OVERALL |
| AASA |
THREAD LENGTH |
0.563 INCHES MINIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| AATX |
SHOULDER LENGTH |
0.625 INCHES NOMINAL FIRST SHOULDER |
| AASB |
FASTENER LENGTH |
2.063 INCHES NOMINAL |
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