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 |
---|---|
92215 | 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 | 0.190 INCHES |
CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
ABQZ | INTERNAL DRIVE STYLE | SLOT |
AAJD | THREAD CLASS | 3A |
MATT | MATERIAL | STEEL COMP 4340 OVERALL OR STEEL COMP 8740 OVERALL |
AATB | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
AAJF | THREAD DIRECTION | RIGHT-HAND |
THSD | THREAD SERIES DESIGNATOR | UNF |
AASK | HEAD STYLE | HEXAGON |
CQFM | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM OVERALL AND 44.0 ROCKWELL C MAXIMUM OVERALL |
SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
AAUM | LOCKING FEATURE | DETENT BALL GRIP |
AASA | THREAD LENGTH | 0.260 INCHES MINIMUM |
CMLP | THREAD QUANTITY PER INCH | 32 |
AASU | HEAD HEIGHT | 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
AASB | FASTENER LENGTH | 1.244 INCHES MINIMUM AND 1.291 INCHES MAXIMUM |