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 |
|---|---|
| 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL D |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ASDB | WIDTH ACROSS FLATS | 0.312 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 1140 OVERALL OR STEEL COMP 1137 OVERALL OR STEEL COMP 1139 OVERALL OR STEEL COMP 1141 OVERALL OR STEEL COMP 1144 OVERALL |
| AASA | THREAD LENGTH | 0.657 INCHES MINIMUM |
| AASL | HEAD DIAMETER | 0.863 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| AASU | HEAD HEIGHT | 0.618 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 1.156 INCHES NOMINAL FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT CHAMFER |
| FEAT | SPECIAL FEATURES | RELIEVED UNDER HEAD 0.093 IN. W 0.593 IN. DIA. OF RELIEF AND RELIEVED AT BASE OF THD. 0.093 IN. W 0.390 IN. DIA. OF RELIEF |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AATN | SHOULDER DIAMETER | 0.6254 INCHES MINIMUM FIRST SHOULDER AND 0.6259 INCHES MAXIMUM FIRST SHOULDER |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AASB | FASTENER LENGTH | 2.000 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 13 |