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 |
---|---|
1EM77 | B & B SPECIALTIES INC. DBA G S AEROS |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
ANEE | GRIP LENGTH | 0.187 INCHES NOMINAL |
CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
AASB | FASTENER LENGTH | 0.532 INCHES NOMINAL |
THSD | THREAD SERIES DESIGNATOR | UNJF |
AAJD | THREAD CLASS | 3A |
AASU | HEAD HEIGHT | 0.046 INCHES NOMINAL |
ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE IA |
AAJF | THREAD DIRECTION | RIGHT-HAND |
SFTT | SURFACE TREATMENT | ALUMINUM OVERALL |
AASK | HEAD STYLE | FLAT COUNTERSUNK |
AAUR | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MCD23-112,CAGE76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
MATT | MATERIAL | STEEL COMP XM-13 OVERALL |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488,TY2,CLASS C MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
AASL | HEAD DIAMETER | 0.265 INCHES MINIMUM AND 0.272 INCHES MAXIMUM |
CMLP | THREAD QUANTITY PER INCH | 32 |
AGAV | END ITEM IDENTIFICATION | AIRCRAFT, HORNET F/A-18 |
AASA | THREAD LENGTH | 0.345 INCHES NOMINAL |