National Stock Number (NSN) Output Data
NSN:
NIIN:
Item Name:
SCREW , MACHINE
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN./1.5 MM) OR LARGER, DESIGNED TO BE HELD OR DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), IN SIZES BELOW NO. 10 (0.190 IN./5 MM). NO. 10 AND LARGER SIZES MUST HAVE A HEAD DESIGNED FOR ANY TYPE INSERTED DRIVER (EXCLUDING INTERNAL SOCKET OR INTERNAL 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. EXCLUDES BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; AND SCREW, ASSEMBLED WASHER. SEE ALSO, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; AND SCREW, CAP SOCKET HEAD.
Reference/Part Number
| Part Number |
CAGE |
Status |
RNCC |
RNVC |
DAC |
RNAAC |
MSDS |
SADC |
| SC52171 |
01843 |
A |
5 |
9 |
5 |
KZ |
|
|
| SC52171 |
04998 |
F |
3 |
9 |
5 |
KZ |
|
|
CAGE Information
| Code |
Company |
| 01843 |
AMBAC INTERNATIONAL CORPORATION |
| 04998 |
ADAMS AIRCRAFT INTERNATIONAL INC |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| CYAU |
SCREW MATERIAL |
STEEL COMP 4037 |
| CYAU |
SCREW MATERIAL |
STEEL COMP 4037 |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| AATB |
WIDTH BETWEEN FLATS |
0.300 INCHES MINIMUM AND 0.314 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.072 INCHES NOMINAL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AASU |
HEAD HEIGHT |
0.250 INCHES NOMINAL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CQFM |
HARDNESS RATING |
25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AAJD |
THREAD CLASS |
2A |
| AATC |
EXTENDED WASHER DIAMETER |
0.438 INCHES NOMINAL |
| AASB |
FASTENER LENGTH |
1.516 INCHES MINIMUM AND 1.547 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON EXTENDED WASHER |
| AASA |
THREAD LENGTH |
0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM |
| CYBA |
SCREW SURFACE TREATMENT |
CADMIUM |
| CYAW |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION |
AISI ASSN STD SINGLE MATERIAL RESPONSE |
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