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 |
---|---|---|
CWYB | SHOULDER SHAPE | ROUND ALL SHOULDERS |
AASA | THREAD LENGTH | 0.750 INCHES MINIMUM |
ASDB | WIDTH ACROSS FLATS | 0.375 INCHES NOMINAL |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD 171 FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASL | HEAD DIAMETER | 1.375 INCHES NOMINAL |
MATT | MATERIAL | STEEL OVERALL |
THSD | THREAD SERIES DESIGNATOR | UNF |
AAJD | THREAD CLASS | 2A |
AASU | HEAD HEIGHT | 0.876 INCHES NOMINAL |
FEAT | SPECIAL FEATURES | W/FIRST SHOULDER AND UNTHREADED PORTION OF SHANK 63 MICROINCH FINISH |
AATN | SHOULDER DIAMETER | 1.375 INCHES NOMINAL SECOND SHOULDER |
ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
AATX | SHOULDER LENGTH | 0.344 INCHES NOMINAL SECOND SHOULDER |
AATN | SHOULDER DIAMETER | 0.740 INCHES MINIMUM FIRST SHOULDER AND 0.750 INCHES MAXIMUM FIRST SHOULDER |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
CMLP | THREAD QUANTITY PER INCH | 20 |
AATX | SHOULDER LENGTH | 0.155 INCHES NOMINAL FIRST SHOULDER |
SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
AASK | HEAD STYLE | PAN |
AASB | FASTENER LENGTH | 1.000 INCHES NOMINAL |