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 |
---|---|
26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
AASK | HEAD STYLE | PAN NO. 2 |
THSD | THREAD SERIES DESIGNATOR | UNJF |
AASB | FASTENER LENGTH | 0.943 INCHES NOMINAL |
ABQZ | INTERNAL DRIVE STYLE | TORQUE-SET RIBBED |
AAJD | THREAD CLASS | 3A |
AASL | HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
AAJF | THREAD DIRECTION | RIGHT-HAND |
CQBC | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
ANEE | GRIP LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
AASA | THREAD LENGTH | 0.443 INCHES NOMINAL |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
MATT | MATERIAL | NICKEL ALLOY 718 OVERALL |
AAUR | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
CMLP | THREAD QUANTITY PER INCH | 32 |
SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
AASU | HEAD HEIGHT | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |