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 |
|---|---|
| 66935 | YORK INTERNATIONAL CORPORATION DBA J |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASU | HEAD HEIGHT | 0.591 INCHES MINIMUM AND 0.627 INCHES MAXIMUM |
| AAUB | HOLE DIAMETER | 0.125 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 8 |
| CQHQ | MINIMUM YIELD STRENGTH | 78000 POUNDS PER SQUARE INCH |
| AASA | THREAD LENGTH | 2.250 INCHES MINIMUM AND 2.562 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ASXK | HOLE QUANTITY | 1 |
| MATT | MATERIAL | STEEL OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CQBC | MINIMUM TENSILE STRENGTH | 115000 POUNDS PER SQUARE INCH |
| AATB | WIDTH BETWEEN FLATS | 1.469 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AASB | FASTENER LENGTH | 2.610 INCHES MINIMUM AND 2.750 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | HEXAGON |
| CRHC | HOLE CONFIGURATION STYLE | HEXAGON FLATS |
| BQDM | HOLE TYPE | DRILLED |
| CQFM | HARDNESS RATING | 22.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 1.000 INCHES |