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
CAGE Information
| Code |
Company |
| 06351 |
MICROWAVE ENGINEERING CORPORATION DB |
| 81348 |
FEDERAL SPECIFICATIONS PROMULGATED B |
| 88044 |
AERONAUTICAL STANDARDS GROUP DEPT OF |
| 24617 |
GENERAL MOTORS CORP |
| 71313 |
VIKING TECHNOLOGIES LTD. |
| 99380 |
SIERRA NETWORKS INC SIERRACOM DIV |
| 09691 |
L-3 COMMUNICATIONS ELECTRONIC SYSTEM |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| CYBA |
SCREW SURFACE TREATMENT |
PASSIVATE |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AHYM |
NOMINAL THREAD DIAMETER |
0.164 INCHES |
| AASL |
HEAD DIAMETER |
0.300 INCHES MINIMUM AND 0.332 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AASB |
FASTENER LENGTH |
0.500 INCHES NOMINAL |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| AASA |
THREAD LENGTH |
0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| CYAU |
SCREW MATERIAL |
STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 430 OR STEEL COMP 302 |
| CYAW |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 3RD MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC 4TH MATERIAL RESPONSE |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
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