Part Number
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN.) (1.5 MM) OR LARGER. IT HAS A ROUND UNTHREADED NECK OR SHANK ALL OR PART OF WHICH IS OF GREATER DIAMETER THAN THE THREADED PORTION. THE HEAD IS DESIGNED TO BE DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH IN SIZES BELOW NO. 10 (0.190 IN.) (5 MM) NOMINAL DIAMETER. NO. 10 (0.190 IN.) (5 MM) AND LARGER SIZES MUST BE DESIGNED FOR ANY TYPE OF INSERTED DRIVER, BUT MAY ALSO PROVIDE FOR EXTERNAL WRENCHING OF THE HEAD. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS WHICH ARE BOTH SHOULDERED AND HAVE AN EXTERNALLY RELIEVED BODY, USE SCREW, EXTERNALLY RELIEVED BODY. FOR ITEMS WITH A NO. 10 (0.190 IN.) (5 MM) OR LARGER THREAD DIAMETER WITHOUT AN INSERTED DRIVER HEAD, USE BOLT, SHOULDER. EXCLUDES BOLT, INTERNAL WRENCHING AND SCREW, CAP, SOCKET HEAD.
CAGE Information
| Code | Company |
|---|---|
| 84256 | AVIBANK MFG. INC. |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASB | FASTENER LENGTH | 1.050 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| ABQZ | INTERNAL DRIVE STYLE | TORQUE |
| AAJD | THREAD CLASS | 3A |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.199 INCHES |
| MATT | MATERIAL | STEEL COMP 630 OVERALL OR STEEL CORROSION RESISTING OVERALL OR STEEL UNS S34723 OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| FEAT | SPECIAL FEATURES | RETAINING ELEMENT IN SHANK |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OVERALL OR AMS 5672 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| AATX | SHOULDER LENGTH | 0.024 INCHES NOMINAL FIRST SHOULDER |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| AASA | THREAD LENGTH | 0.531 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.239 INCHES MINIMUM FIRST SHOULDER AND 0.249 INCHES MAXIMUM FIRST SHOULDER |