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 |
|---|---|---|
| AATB | WIDTH BETWEEN FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| CQHQ | MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | GM 4435-M,CODE A FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | HEXAGON |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| CQBC | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| AASA | THREAD LENGTH | 1.250 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 4.250 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR8 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATT | MATERIAL | STEEL COMP 1035 OVERALL OR STEEL COMP 1536 OVERALL OR STEEL COMP 1038 OVERALL OR STEEL COMP 1033 OVERALL OR STEEL COMP 1030 OVERALL OR STEEL COMP 1527 OVERALL OR STEEL COMP 1026 OVERALL OR STEEL COMP 1023 OVERALL OR STEEL COMP 1039 OVERALL OR STEEL COMP 1020 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1016 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1013 OVERALL OR STEEL COMP 1022 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1034 OVERALL OR STEEL COMP 1029 OVERALL OR STEEL COMP 1025 OVERALL OR STEEL COMP 1037 OVERALL OR STEEL COMP 1040 OVERALL OR STEEL COMP 1021 OVERALL OR STEEL COMP 1017 OVERALL OR STEEL COMP 1524 OVERALL OR STEEL COMP 1541 OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 13 |