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 |
|---|---|
| 80204 | AMERICAN NATIONAL STANDARDS INSTITUT |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASB | FASTENER LENGTH | 2.656 INCHES MINIMUM AND 2.750 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 2.656 INCHES MINIMUM AND 2.750 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAEJ429 GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR ASTM A354 GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ZINC OVERALL AND CHROMATE OVERALL |
| CQFM | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM OVERALL AND 39.0 ROCKWELL C MAXIMUM OVERALL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 10P STYLE AND 2 TYPE AND 8 GRADE |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES THREADS |
| AAUB | HOLE DIAMETER | 0.065 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ASXK | HOLE QUANTITY | 1 |
| MATT | MATERIAL | STEEL OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | HEXAGON |
| CRHC | HOLE CONFIGURATION STYLE | HEXAGON LONGITUDINAL HOLE |
| CQBC | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| AATB | WIDTH BETWEEN FLATS | 0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM |
| BQDM | HOLE TYPE | DRILLED |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| AASA | THREAD LENGTH | 1.188 INCHES MINIMUM |
| AASU | HEAD HEIGHT | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM |