Part Number
Part Number:
NSN:
NIIN:
Item Name:
SCREW , CAP , HEXAGON HEAD
Definition:
AN EXTERNALLY THREADED FASTENER DESIGNED FOR INSERTION INTO HOLES IN ASSEMBLED PARTS, FOR MATING WITH A PREFORMED INTERNAL THREAD AND FOR TIGHTENING OR RELEASING BY TORQUING THE HEAD. THE THREADED AND UNTHREADED PORTIONS ARE BOTH OF THE SAME NOMINAL DIAMETER OF 0.190 INCH (5 MM) OR LARGER. HEAD DIMENSIONS AND SIZES OF THREADED AND UNTHREADED PORTIONS SHALL CONFORM TO INTERNATIONALLY RECOGNIZED FASTENER STANDARDS. THE THREAD LENGTH BEING THE CONTROLLED DIMENSION, THE GRIP LENGTH IS NOT SPECIFIED. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; AND SCREW, CAP, SOCKET HEAD.
CAGE Information
Code | Company |
---|---|
24617 | GENERAL MOTORS CORP |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AASU | HEAD HEIGHT | 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
AASU | HEAD HEIGHT | 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
CQHQ | MINIMUM YIELD STRENGTH | 85000 POUNDS PER SQUARE INCH |
SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1 CL 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325,TY 2 CL2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
CQFM | HARDNESS RATING | 96.0 ROCKWELL B MINIMUM OVERALL AND 104.0 ROCKWELL B MAXIMUM OVERALL |
CBBL | FEATURES PROVIDED | FINISHED HEAD |
AASB | FASTENER LENGTH | 1.968 INCHES MINIMUM AND 2.032 INCHES MAXIMUM |
AASA | THREAD LENGTH | 1.000 INCHES MINIMUM AND 1.187 INCHES MAXIMUM |
MATT | MATERIAL | STEEL COMP 1035 OVERALL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AAUM | LOCKING FEATURE | DISTORTIONS BEARING SURFACE OF HEAD |
CMLP | THREAD QUANTITY PER INCH | 16 |
THSD | THREAD SERIES DESIGNATOR | UNC |
AAJD | THREAD CLASS | 2A |
CQBC | MINIMUM TENSILE STRENGTH | 95000 POUNDS PER SQUARE INCH |
AASK | HEAD STYLE | HEXAGON |
AATB | WIDTH BETWEEN FLATS | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |