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 |
|---|---|---|
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| AASK | HEAD STYLE | PAN NO. 2 |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AATX | SHOULDER LENGTH | 0.193 INCHES NOMINAL FIRST SHOULDER |
| AAJD | THREAD CLASS | 3A |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| AASL | HEAD DIAMETER | 0.500 INCHES NOMINAL |
| AASA | THREAD LENGTH | 0.417 INCHES MINIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | STEEL COMP 416 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AATN | SHOULDER DIAMETER | 0.2480 INCHES NOMINAL FIRST SHOULDER |
| AASB | FASTENER LENGTH | 0.670 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.120 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| FEAT | SPECIAL FEATURES | THD RELIEF 0.135 IN. DIA 0.060 IN. LG |