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 |
---|---|
03640 | LOCKHEED MARTIN CORPORATION DBA LOCK |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AATX | SHOULDER LENGTH | 0.078 INCHES MINIMUM FIRST SHOULDER AND 0.083 INCHES MAXIMUM FIRST SHOULDER |
AATX | SHOULDER LENGTH | 0.078 INCHES MINIMUM FIRST SHOULDER AND 0.083 INCHES MAXIMUM FIRST SHOULDER |
SFTT | SURFACE TREATMENT | OXIDE OVERALL |
MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
AASB | FASTENER LENGTH | 0.270 INCHES MINIMUM AND 0.275 INCHES MAXIMUM |
AATN | SHOULDER DIAMETER | 0.183 INCHES MINIMUM FIRST SHOULDER AND 0.188 INCHES MAXIMUM FIRST SHOULDER |
CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
AASA | THREAD LENGTH | 0.147 INCHES MINIMUM AND 0.197 INCHES MAXIMUM |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASK | HEAD STYLE | BUTTON |
THSD | THREAD SERIES DESIGNATOR | UNC |
AASL | HEAD DIAMETER | 0.303 INCHES MINIMUM AND 0.321 INCHES MAXIMUM |
AAJD | THREAD CLASS | 2A |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
FEAT | SPECIAL FEATURES | NYLON PELLET-TYPE ELEMENT IN THDS FOR LOCKING FEATURE |
CMLP | THREAD QUANTITY PER INCH | 32 |
TEST | TEST DATA DOCUMENT | 03640-6082138 DRAWING |
AHYM | NOMINAL THREAD DIAMETER | 0.138 INCHES |
AASU | HEAD HEIGHT | 0.074 INCHES MINIMUM AND 0.086 INCHES MAXIMUM |