Part Number
Definition:
A SCREW, MACHINE OR SCREW, CAP, SOCKET HEAD WHOSE UNTHREADED PORTION IS OF SPECIFIED GRIP LENGTH, PLATED OR UNPLATED, AND IS MACHINED TO A TOLERANCE OF ONE THOUSANDTH (0.001 IN.) (0.025 MM) OR LESS OF A SPECIFIC DIAMETER FOR ITEMS (1.000 IN.) (25 MM) OR LESS IN DIAMETER. ITEMS OVER (1.000 IN.) (25 MM) IN DIAMETER SHALL HAVE A TOLERANCE OF FIFTEEN TEN THOUSANDTHS (0.0015 IN.) (0.038 MM) OR LESS. THE NOMINAL MAJOR DIAMETER OF THE THREADS SHALL BE AT LEAST ONE THOUSANDTH (0.001 IN.) (0.025 MM) BELOW THE MINIMUM SHANK DIAMETER, BUT NOT BELOW THE MINIMUM MAJOR DIAMETER FOR APPLICABLE CLASS OF FIT, AS SHOWN IN THE SCREW THREAD STANDARDS, FED STD H28 AND/OR OTHER NATIONALLY RECOGNIZED STANDARDS. THE HEAD IS DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER. IT IS NOT DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS.
CAGE Information
Code | Company |
---|---|
27524 | HARTER GROUP THE |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
CSYM | SURFACE FINISH | 32.0 MICROINCHES THREADS |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
CMLP | THREAD QUANTITY PER INCH | 24 |
CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
AAUR | GRIP DIAMETER | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
AASL | HEAD DIAMETER | 0.578 INCHES MINIMUM AND 0.633 INCHES MAXIMUM |
THSD | THREAD SERIES DESIGNATOR | UNJF |
AAJD | THREAD CLASS | 3A |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASK | HEAD STYLE | FLAT COUNTERSUNK |
CQBC | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
FEAT | SPECIAL FEATURES | INTERNAL DRIVE RIBBED |
ANEE | GRIP LENGTH | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM |
AASA | THREAD LENGTH | 0.454 INCHES MINIMUM AND 0.521 INCHES MAXIMUM |
AASB | FASTENER LENGTH | 1.152 INCHES MINIMUM AND 1.199 INCHES MAXIMUM |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
MATT | MATERIAL | STEEL COMP H11 OVERALL |
ABQZ | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |