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 |
---|---|
98230 | NATIONAL SECURITY AGENCY |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AATX | SHOULDER LENGTH | 0.073 INCHES NOMINAL FIRST SHOULDER |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 E3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
AASA | THREAD LENGTH | 0.282 INCHES MINIMUM |
AASL | HEAD DIAMETER | 0.270 INCHES NOMINAL |
AASK | HEAD STYLE | PAN NO. 2 |
ABQZ | INTERNAL DRIVE STYLE | SLOT |
AASB | FASTENER LENGTH | 0.688 INCHES NOMINAL |
MATT | MATERIAL | STEEL COMP 303 OVERALL |
CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AHYM | NOMINAL THREAD DIAMETER | 0.112 INCHES |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
THSD | THREAD SERIES DESIGNATOR | UNC |
AAJD | THREAD CLASS | 2A |
AASU | HEAD HEIGHT | 0.077 INCHES NOMINAL |
SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
AATN | SHOULDER DIAMETER | 0.145 INCHES MINIMUM FIRST SHOULDER AND 0.150 INCHES MAXIMUM FIRST SHOULDER |
CMLP | THREAD QUANTITY PER INCH | 40 |