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
| Part Number |
CAGE |
Status |
RNCC |
RNVC |
DAC |
RNAAC |
MSDS |
SADC |
| 0N509278 |
98230 |
A |
5 |
2 |
A |
KZ |
|
|
| FF-S-92 |
81348 |
M |
4 |
1 |
4 |
KZ |
|
|
CAGE Information
| Code |
Company |
| 81348 |
FEDERAL SPECIFICATIONS PROMULGATED B |
| 98230 |
NATIONAL SECURITY AGENCY |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AASL |
HEAD DIAMETER |
0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.190 INCHES NOMINAL |
| CQBC |
MINIMUM TENSILE STRENGTH |
80000 POUNDS PER SQUARE INCH |
| AASU |
HEAD HEIGHT |
0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP 384 OVERALL OR STEEL COMP 309S OVERALL OR STEEL COMP 301 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 302B OVERALL OR STEEL COMP 317 OVERALL OR STEEL COMP 316L OVERALL OR STEEL COMP 310 OVERALL OR STEEL COMP 321 OVERALL OR STEEL COMP 309 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 314 OVERALL OR STEEL COMP 303SE OVERALL OR STEEL COMP 348 OVERALL OR STEEL COMP 308 OVERALL OR STEEL COMP 347 OVERALL OR STEEL COMP 304L OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 310S OVERALL OR STEEL COMP 385 OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
3 TYPE AND 9C STYLE |
| AHYM |
NOMINAL THREAD DIAMETER |
0.112 INCHES |
| CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
3 |
| AAWC |
FIRST DIAMETER FROM HEAD |
0.085 INCHES MINIMUM AND 0.089 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| AASB |
FASTENER LENGTH |
0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| AASA |
THREAD LENGTH |
0.185 INCHES NOMINAL |
| AASK |
HEAD STYLE |
PAN |
| CMLP |
THREAD QUANTITY PER INCH |
40 |
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