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 |
|---|---|---|
| CMLP | THREAD QUANTITY PER INCH | 24 |
| AASL | HEAD DIAMETER | 0.635 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| SPCL | SPECIAL TEST FEATURES | SELF-LOCKING WITH PATCH TYPE LOCKING ELEMENT |
| AAJD | THREAD CLASS | 3A |
| AGAV | END ITEM IDENTIFICATION | HH/UH1 HEL |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS7505 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE III |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAUR | GRIP DIAMETER | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE II CLASS2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AASA | THREAD LENGTH | 0.438 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM |
| ANEE | GRIP LENGTH | 0.312 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.3125 INCHES |