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 |
|---|---|---|
| ANEE | GRIP LENGTH | 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.366 INCHES MINIMUM AND 1.396 INCHES MAXIMUM |
| AGAV | END ITEM IDENTIFICATION | 1B-52 ACFT |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AASL | HEAD DIAMETER | 0.826 INCHES NOMINAL |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.437 INCHES |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | CLOSE TOLERANCE SCREW |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AASA | THREAD LENGTH | 0.679 INCHES MINIMUM AND 0.709 INCHES MAXIMUM |