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 |
| MILB933TYPEA |
81349 |
M |
4 |
1 |
E |
XX |
|
|
| E87886-2 |
80020 |
A |
3 |
2 |
X |
XX |
|
|
CAGE Information
| Code |
Company |
| 80020 |
NAVAL AIR WARFARE CENTER AIRCRAFT DI |
| 81349 |
MILITARY SPECIFICATIONS PROMULGATED |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
A TYPE |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
A TYPE |
| CYAW |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-B-994 1/4 H MIL SPEC ALL MATERIAL RESPONSES |
| AASL |
HEAD DIAMETER |
0.831 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| AAJD |
THREAD CLASS |
3A |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| CRSQ |
COUNTERSINK ANGLE |
80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| AASA |
THREAD LENGTH |
0.938 INCHES MINIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| CYAU |
SCREW MATERIAL |
COPPER ALLOY 482 OR COPPER ALLOY 464 OR COPPER ALLOY 485 OR COPPER ALLOY 462 |
| AASB |
FASTENER LENGTH |
1.250 INCHES NOMINAL |
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