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 |
|---|---|
| 29372 | ALCOA GLOBAL FASTENERS INC. DBA ALCO |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| AASB | FASTENER LENGTH | 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.121 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASL | HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAUR | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | TWO KEYWAYS ALONG THREADS 180 DEG APART; WIDTH OF KEYWAYS 0.044 IN. MIN. AND 0.054 IN. MAX |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| MATT | MATERIAL | STEEL COMP 316 OVERALL OR STEEL COMP 309 OVERALL OR STEEL COMP 324 OVERALL OR STEEL COMP 322 OVERALL OR STEEL COMP 321 OVERALL OR STEEL COMP 316L OVERALL OR STEEL COMP 310 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 304L OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 317 OVERALL OR STEEL COMP 347 OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ANEE | GRIP LENGTH | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| AASK | HEAD STYLE | PAN |