Part Number
Definition:
A SCREW, MACHINE OR SCREW, CAP, SOCKET HEAD WHOSE UNTHREADED PORTION IS OF SPECIFIED GRIP LENGTH, PLATED OR UNPLATED, AND IS MACHINED TO A TOLERANCE OF ONE THOUSANDTH (0.001 IN.) (0.025 MM) OR LESS OF A SPECIFIC DIAMETER FOR ITEMS (1.000 IN.) (25 MM) OR LESS IN DIAMETER. ITEMS OVER (1.000 IN.) (25 MM) IN DIAMETER SHALL HAVE A TOLERANCE OF FIFTEEN TEN THOUSANDTHS (0.0015 IN.) (0.038 MM) OR LESS. THE NOMINAL MAJOR DIAMETER OF THE THREADS SHALL BE AT LEAST ONE THOUSANDTH (0.001 IN.) (0.025 MM) BELOW THE MINIMUM SHANK DIAMETER, BUT NOT BELOW THE MINIMUM MAJOR DIAMETER FOR APPLICABLE CLASS OF FIT, AS SHOWN IN THE SCREW THREAD STANDARDS, FED STD H28 AND/OR OTHER NATIONALLY RECOGNIZED STANDARDS. THE HEAD IS DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER. IT IS NOT DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS.
CAGE Information
| Code | Company |
|---|---|
| 80205 | NATIONAL AEROSPACE STANDARDS COMMITT |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CSYM | SURFACE FINISH | 32.0 MICROINCHES THREADS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE FASTENER OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM FASTENER AND 40.0 ROCKWELL C MAXIMUM FASTENER |
| AAUM | LOCKING FEATURE | PATCH THREADS |
| MATT | MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| AAJD | THREAD CLASS | 3A |
| AASB | FASTENER LENGTH | 0.433 INCHES MINIMUM AND 0.463 INCHES MAXIMUM |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS7503 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| SFTT | SURFACE TREATMENT | CADMIUM FASTENER AND CHROMATE FASTENER |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAUR | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.298 INCHES MINIMUM AND 0.348 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| MATT | MATERIAL | IRON ALLOY 660 FASTENER |
| ANEE | GRIP LENGTH | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.338 INCHES MINIMUM AND 0.381 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |