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 |
| 04729 |
UNICORP |
| 06540 |
NEW HAVEN MFG CORP AMATOM ELECTRONIC |
| 55566 |
R A F ELECTRONIC HARDWARE INC |
| 51506 |
ACCURATE SCREWMACHINE CORPORATION DB |
| 1YGB8 |
CAREY MANUFACTURING COMPANY INC. DBA |
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. 2 |
| AASB |
FASTENER LENGTH |
1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| MATT |
MATERIAL |
STEEL COMP 303 OVERALL |
| CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
MIL-F-14072-E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AAJD |
THREAD CLASS |
2A |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
ASTM-A-581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR ASTM-A-582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAWC |
FIRST DIAMETER FROM HEAD |
0.917 INCHES MINIMUM AND 0.957 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| AASL |
HEAD DIAMETER |
0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| AASU |
HEAD HEIGHT |
0.240 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
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