Part Number
Part Number:
NSN:
NIIN:
Item Name:
SCREW , CAP , SOCKET HEAD
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER. THE HEAD HAS AN INTERNAL SOCKET OR MULTIPLE SPLINE FOR USE WITH AN INSERTED DRIVER. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES ITEMS WITH BEVEL (CONICAL) HEADS. SEE BOLT, INTERNAL WRENCHING. EXCLUDES SCREW, SHOULDER; AND SCREW, MACHINE.
CAGE Information
Code | Company |
---|---|
06950 | ALCOA GLOBAL FASTENERS INC. DBA ALCO |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AHYM | NOMINAL THREAD DIAMETER | 0.625 INCHES |
THSD | THREAD SERIES DESIGNATOR | UNJF |
AASK | HEAD STYLE | FILLISTER |
AASB | FASTENER LENGTH | 2.178 INCHES MINIMUM AND 2.208 INCHES MAXIMUM |
CMLP | THREAD QUANTITY PER INCH | 18 |
AAJD | THREAD CLASS | 3A |
AASL | HEAD DIAMETER | 0.7995 INCHES MINIMUM AND 0.8000 INCHES MAXIMUM |
AASA | THREAD LENGTH | 0.628 INCHES MINIMUM AND 0.678 INCHES MAXIMUM |
CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.989 INCHES MINIMUM ALL HOLES AND 2.029 INCHES MAXIMUM ALL HOLES |
AASU | HEAD HEIGHT | 0.340 INCHES NOMINAL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
FEAT | SPECIAL FEATURES | TWO HOLES DRILLED IN THREADED PORTION 90 DEGREES APART; CENTER OF HOLES 0.179 MIN AND 0.189 MAX FROM END OF SCREW |
MATT | MATERIAL | STEEL COMP XM-13 OVERALL |
ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
ASDB | WIDTH ACROSS FLATS | 0.3130 INCHES MINIMUM AND 0.3150 INCHES MAXIMUM |
AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM ALL HOLES AND 0.151 INCHES MAXIMUM ALL HOLES |
SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |