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 |
|---|---|
| 80205 | NATIONAL AEROSPACE STANDARDS COMMITT |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 10P STYLE |
| CQHQ | MINIMUM YIELD STRENGTH | 300000 POUNDS PER SQUARE INCH |
| CQBC | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES THREADS |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| AASB | FASTENER LENGTH | 2.156 INCHES MINIMUM AND 2.250 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 80.0 ROCKWELL B MINIMUM OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | HEXAGON |
| AATB | WIDTH BETWEEN FLATS | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AASA | THREAD LENGTH | 1.188 INCHES MINIMUM |
| AASU | HEAD HEIGHT | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| MATT | MATERIAL | STEEL COMP 305 OVERALL OR STEEL COMP 308 OVERALL OR STEEL COMP 309 OVERALL OR STEEL COMP 309S OVERALL OR STEEL COMP 310 OVERALL OR STEEL COMP 310S OVERALL OR STEEL COMP 314 OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 316L OVERALL OR STEEL COMP 317 OVERALL OR STEEL COMP 321 OVERALL OR STEEL COMP 323 OVERALL OR STEEL COMP 324 OVERALL OR STEEL COMP 347 OVERALL OR STEEL COMP 304L OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 303SE OVERALL OR STEEL COMP 385 OVERALL OR STEEL COMP 303F OVERALL OR STEEL COMP 301 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 348 OVERALL |