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 |
| 7544985P1 |
99971 |
A |
3 |
9 |
2 |
SB |
|
|
CAGE Information
| Code |
Company |
| 99971 |
LOCKHEED MARTIN CORP NAVAL ELECTRONI |
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| MATT |
MATERIAL |
STEEL COMP 304 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 321 OVERALL |
| AASB |
FASTENER LENGTH |
0.475 INCHES MINIMUM AND 0.485 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
171 FINISH 5.4.1 MIL STD SINGLE TREATMENT RESPONSE GRIP |
| AASK |
HEAD STYLE |
FILLISTER |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
171 FINISH 5.4.1 MIL STD SINGLE TREATMENT RESPONSE THREADS |
| CSNG |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY |
1 |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| AASA |
THREAD LENGTH |
0.165 INCHES NOMINAL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| SFTT |
SURFACE TREATMENT |
PASSIVATE GRIP |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| SFTT |
SURFACE TREATMENT |
ENAMEL HEAD |
| AAJD |
THREAD CLASS |
2A |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| AAWC |
FIRST DIAMETER FROM HEAD |
0.085 INCHES NOMINAL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
TT-E-527 COLOR NO. 36231 FED SPEC SINGLE TREATMENT RESPONSE HEAD |
| AAWH |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER |
0.310 INCHES MINIMUM AND 0.330 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| AHYM |
NOMINAL THREAD DIAMETER |
0.138 INCHES |
| SFTT |
SURFACE TREATMENT |
PASSIVATE THREADS |
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