NIIN Output Data
NIIN:
NSN:
Item Name:
SCREW , EXTERNALLY RELIEVED BODY
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, AND WHOSE UNTHREADED PORTION HAS BEEN MACHINED OR GROUND IN ONE OR MORE PLACES OR OVER ITS ENTIRE LENGTH TO A MAXIMUM DIAMETER LESS THAN THE MINIMUM PITCH DIAMETER OF THE THREAD (EXCLUDES UNDERCUT FOR THREAD RELIEF). IT IS NO. 0 (0.060 IN.) (1.5 MM) OR LARGER, AND IS DESIGNED TO BE HELD OR DRIVEN WITH EITHER A WRENCH OR INSERTED DRIVER (EXCLUDING INTERNAL SOCKET AND MULTIPLE SPLINE TYPES) OR BOTH IN SIZES BELOW NO. 10 (0.190 IN.) (5 MM) AND LARGER SIZES MUST HAVE A HEAD DESIGNED FOR ANY TYPE INSERTED DRIVER (EXCLUDING INTERNAL SOCKET AND MULTIPLE SPLINE TYPES) BUT MAY ALSO BE DESIGNED FOR EXTERNAL WRENCHING. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. SEE ALSO BOLT, EXTERNALLY RELIEVED BODY AND BOLT, INTERNAL WRENCHING.
Reference/Part Number
CAGE Information
| Code |
Company |
| 02310 |
PATTONAIR USA INC UNISEAL DIV |
| 98750 |
SAN ANTONIO AIR LOGISTICS CENTER |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
MIL-C-13924 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER |
| AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
OXIDE FASTENER |
| AAWC |
FIRST DIAMETER FROM HEAD |
0.097 INCHES MINIMUM AND 0.102 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.375 INCHES NOMINAL |
| AASB |
FASTENER LENGTH |
0.610 INCHES MINIMUM AND 0.655 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP 304 FASTENER OR STEEL COMP 302 FASTENER OR STEEL COMP 305 FASTENER |
| CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
| AASU |
HEAD HEIGHT |
0.092 INCHES MINIMUM AND 0.097 INCHES MAXIMUM |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-763 FED SPEC ALL MATERIAL RESPONSES FASTENER |
| AASK |
HEAD STYLE |
WATERTIGHT |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| CBBL |
FEATURES PROVIDED |
O RING |
| AASL |
HEAD DIAMETER |
0.282 INCHES MINIMUM AND 0.294 INCHES MAXIMUM |
| FEAT |
SPECIAL FEATURES |
O-RING MATERIAL: FLUOROSILICONE PER MIL-R-25988. |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| AHYM |
NOMINAL THREAD DIAMETER |
0.138 INCHES |
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