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 |
| 03538 |
LOCKHEED MARTIN CORPORATION DBA MS2 |
| 49956 |
RAYTHEON COMPANY DBA RAYTHEON |
| 25549 |
LITTON SYSTEMS INC AMECOM DIV |
| 1YGB8 |
CAREY MANUFACTURING COMPANY INC. DBA |
| 06540 |
NEW HAVEN MFG CORP AMATOM ELECTRONIC |
| 24446 |
GENERAL ELECTRIC CO |
| 06424 |
ALLIANT TECHSYSTEMS INC. DIV DEFENSE |
| 92755 |
NORTHROP GRUMMAN SYSTEMS CORPORATION |
| 3B150 |
RAYTHEON TECHNICAL SERVICES COMPANY |
| 18876 |
U S ARMY AVIATION AND MISSILE COMMAN |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| AASK |
HEAD STYLE |
KNURLED NO. 1 |
| AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.344 INCHES NOMINAL |
| AASU |
HEAD HEIGHT |
0.437 INCHES NOMINAL |
| AASB |
FASTENER LENGTH |
0.750 INCHES NOMINAL |
| MATT |
MATERIAL |
STEEL COMP 303 OVERALL |
| AASL |
HEAD DIAMETER |
0.375 INCHES NOMINAL |
| CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASA |
THREAD LENGTH |
0.250 INCHES MINIMUM |
| AAJD |
THREAD CLASS |
2A |
| FEAT |
SPECIAL FEATURES |
END OF SCREW POINTED 0.156 INCHES LONG 90.0 DEGREES OF ANGLE 0.130 INCHES IN DIAMETER |
| AAWC |
FIRST DIAMETER FROM HEAD |
0.130 INCHES NOMINAL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
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