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 |
| 06540 |
NEW HAVEN MFG CORP AMATOM ELECTRONIC |
| 94117 |
BAE SYSTEMS INFORMATION AND ELECTRON |
| 64959 |
AMERICAN TELEPHONE AND TELEGRAPH CO |
| 1YGB8 |
CAREY MANUFACTURING COMPANY INC. DBA |
| 98230 |
NATIONAL SECURITY AGENCY |
| 95542 |
NORTHROP GRUMMAN SYSTEMS CORPORATION |
| 06KW9 |
LUCENT TECHNOLOGIES INC DBA FEDERAL |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AAWC |
FIRST DIAMETER FROM HEAD |
0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP 303MA OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 303 PLUS X OVERALL OR STEEL COMP 303SE OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
ASTM A581 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| AASK |
HEAD STYLE |
FILLISTER |
| CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
| AASU |
HEAD HEIGHT |
0.102 INCHES NOMINAL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AHYM |
NOMINAL THREAD DIAMETER |
0.164 INCHES |
| AASB |
FASTENER LENGTH |
0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM |
| AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.532 INCHES MINIMUM AND 0.552 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| AASL |
HEAD DIAMETER |
0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
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