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 |
| 14153 |
DEFENSE LOGISTICS AGENCY DBA DEFENSE |
| 94271 |
LOCKHEED MARTIN CORPORATION DBA LOCK |
| 8B865 |
J & S PRECISION PRODUCTS CO INC |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| MATT |
MATERIAL |
STEEL COMP 302 OVERALL OR STEEL COMP 304 OVERALL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
ASTM 276 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR ASTM A479 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| CRTL |
CRITICALITY CODE JUSTIFICATION |
ZZZY |
| AAWC |
FIRST DIAMETER FROM HEAD |
0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
| TEST |
TEST DATA DOCUMENT |
81349-MIL-P-23199 SPECIFICATION |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| AHYM |
NOMINAL THREAD DIAMETER |
0.112 INCHES |
| AASL |
HEAD DIAMETER |
0.276 INCHES MINIMUM AND 0.281 INCHES MAXIMUM |
| SPCL |
SPECIAL TEST FEATURES |
SPECIAL QUALITY CONTROL TESTING |
| ZZZY |
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS |
AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AASB |
FASTENER LENGTH |
0.666 INCHES NOMINAL |
| AAJD |
THREAD CLASS |
2A |
| AAWJ |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER |
0.416 INCHES NOMINAL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
MI5-25 CAGE 94271 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.249 INCHES MINIMUM AND 0.259 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.250 INCHES NOMINAL |
| AAWD |
SECOND DIAMETER FROM HEAD |
0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| AASU |
HEAD HEIGHT |
0.112 INCHES NOMINAL |
| CMLP |
THREAD QUANTITY PER INCH |
40 |
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