National Stock Number (NSN) Output Data
NSN:
NIIN:
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 |
| 00141 |
PRECISION INDUSTRIAL COMPONENTS LLC |
| 10138 |
ASTRONAUTICS CORPORATION OF AMERICA |
| 72314 |
BAE SYSTEMS INFORMATION AND ELECTRON |
| 73734 |
FEDERAL SCREW PRODUCTS INC. |
| 29440 |
W. M. BERG INC |
| 1PQF4 |
L-3 COMMUNICATIONS CORPORATION DIV L |
| 70318 |
ALLMETAL SCREW PRODUCTS CORP DBA ALL |
| 13973 |
LITTON SYSTEMS INC. DIV NAVIGATION S |
| 36378 |
RAYTHEON TECHNICAL SERVICES COMPANY |
| 06481 |
NORTHROP GRUMMAN GUIDANCE AND ELECTR |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AASB |
FASTENER LENGTH |
0.718 INCHES NOMINAL |
| MATT |
MATERIAL |
STEEL CORROSION RESISTING OVERALL |
| CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AHYM |
NOMINAL THREAD DIAMETER |
0.164 INCHES |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| AASU |
HEAD HEIGHT |
0.312 INCHES NOMINAL |
| AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.468 INCHES NOMINAL |
| AASA |
THREAD LENGTH |
0.250 INCHES MINIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| AAWC |
FIRST DIAMETER FROM HEAD |
0.114 INCHES NOMINAL |
| AASL |
HEAD DIAMETER |
0.156 INCHES NOMINAL |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
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