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 |
|---|---|
| 18355 | BOEING COMPANY THE DBA BOEING DIV DE |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| MATT | MATERIAL | STEEL COMP E4340 OVERALL OR STEEL COMP 8740 OVERALL |
| AASA | THREAD LENGTH | 0.373 INCHES MINIMUM AND 0.548 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 3.562 INCHES MINIMUM AND 3.594 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 1.016 INCHES MINIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| AASU | HEAD HEIGHT | 0.297 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| AAJD | THREAD CLASS | 3A |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES NOMINAL FIRST HOLE |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CSYM | SURFACE FINISH | 20.0 MICROINCHES GRIP |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAUR | GRIP DIAMETER | 0.5611 INCHES MINIMUM AND 0.5616 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.562 INCHES |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.359 INCHES MINIMUM FIRST HOLE AND 3.390 INCHES MAXIMUM FIRST HOLE |
| ANEE | GRIP LENGTH | 3.046 INCHES MINIMUM AND 3.078 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |