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 |
|---|---|
| 07955 | MULTEK FLEXIBLE CIRCUITS INC. DBA SH |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASB | FASTENER LENGTH | 4.562 INCHES MINIMUM AND 4.750 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | ZINC OVERALL AND CHROMATE OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.875 INCHES |
| AASA | THREAD LENGTH | 1.812 INCHES MINIMUM AND 2.000 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES THREADS |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429 GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 14 |
| CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE AND 8 GRADE |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | HEXAGON |
| CQBC | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| AASU | HEAD HEIGHT | 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 1.285 INCHES MINIMUM AND 1.312 INCHES MAXIMUM |