Part Number
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.
CAGE Information
| Code | Company |
|---|---|
| 80205 | NATIONAL AEROSPACE STANDARDS COMMITT |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASU | HEAD HEIGHT | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| CYAW | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES |
| AASA | THREAD LENGTH | 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 6000 POUNDS PER SQUARE INCH |
| FEAT | SPECIAL FEATURES | SCREW MATERIAL CONTINUE ALL STEEL COMP FOR 1023 OR 1025 OR 1026 OR 1029 OR 1030 OR 1031 OR 1033 OR 1034 OR 1037 OR 1038 OR 1039 OR 1040 |
| AASL | HEAD DIAMETER | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| 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 | 0.164 INCHES |
| CYAU | SCREW MATERIAL | STEEL COMP 1019 OR STEEL COMP 1015 OR STEEL COMP 1020 OR STEEL COMP 1017 OR STEEL COMP 1013 OR STEEL COMP 1021 OR STEEL COMP 1018 OR STEEL COMP 1016 OR STEEL COMP 1022 |
| AASB | FASTENER LENGTH | 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| CYBE | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633,TY 2 CL FE/ZN 13 ASSN STD SINGLE TREATMENT RESPONSE |
| ZZZW | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY SURFACE TREATMENT |
| CYBA | SCREW SURFACE TREATMENT | ZINC |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| AASK | HEAD STYLE | PAN |