Part Number
Part Number:
NSN:
NIIN:
Item Name:
SCREW , CAP , HEXAGON HEAD
Definition:
AN EXTERNALLY THREADED FASTENER DESIGNED FOR INSERTION INTO HOLES IN ASSEMBLED PARTS, FOR MATING WITH A PREFORMED INTERNAL THREAD AND FOR TIGHTENING OR RELEASING BY TORQUING THE HEAD. THE THREADED AND UNTHREADED PORTIONS ARE BOTH OF THE SAME NOMINAL DIAMETER OF 0.190 INCH (5 MM) OR LARGER. HEAD DIMENSIONS AND SIZES OF THREADED AND UNTHREADED PORTIONS SHALL CONFORM TO INTERNATIONALLY RECOGNIZED FASTENER STANDARDS. THE THREAD LENGTH BEING THE CONTROLLED DIMENSION, THE GRIP LENGTH IS NOT SPECIFIED. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; AND SCREW, CAP, SOCKET HEAD.
CAGE Information
Code | Company |
---|---|
80204 | AMERICAN NATIONAL STANDARDS INSTITUT |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AASA | THREAD LENGTH | 1.150 INCHES NOMINAL |
AAJD | THREAD CLASS | 3A |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AATB | WIDTH BETWEEN FLATS | 0.375 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
THSD | THREAD SERIES DESIGNATOR | UNC |
AASK | HEAD STYLE | HEXAGON |
MATT | MATERIAL | NICKEL ALLOY OVERALL |
CMLP | THREAD QUANTITY PER INCH | 20 |
AASU | HEAD HEIGHT | 0.156 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
AASB | FASTENER LENGTH | 1.250 INCHES NOMINAL |