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 |
|---|---|
| 55566 | R A F ELECTRONIC HARDWARE INC |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASU | HEAD HEIGHT | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| AATX | SHOULDER LENGTH | 0.6875 INCHES MINIMUM ALL SHOULDERS AND 0.6895 INCHES MAXIMUM ALL SHOULDERS |
| CWYB | SHOULDER SHAPE | ROUND ALL SHOULDERS |
| AASA | THREAD LENGTH | 0.1820 INCHES MINIMUM AND 0.1915 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| AATN | SHOULDER DIAMETER | 0.155 INCHES MINIMUM ALL SHOULDERS AND 0.156 INCHES MAXIMUM ALL SHOULDERS |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, SHOULDER |
| AASB | FASTENER LENGTH | 0.9695 INCHES MINIMUM AND 0.9810 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AGAV | END ITEM IDENTIFICATION | 1C-17A SPT EQMT |
| AASL | HEAD DIAMETER | 0.277 INCHES MINIMUM AND 0.285 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| AASK | HEAD STYLE | FLAT FILLISTER |
| AHYM | NOMINAL THREAD DIAMETER | 0.138 INCHES |