Part Number
Part Number:
NSN:
NIIN:
Item Name:
BOLT , MACHINE
Definition:
AN EXTERNALLY THREADED FASTENER DESIGNED FOR INSERTION THROUGH HOLES IN ASSEMBLED PARTS AND NORMALLY INTENDED TO BE TIGHTENED OR RELEASED BY TORQUING A NUT. THE THREADED AND UNTHREADED PORTIONS ARE BOTH OF ONE NOMINAL DIAMETER OF 0.190 INCH (5 MM) OR LARGER. THE HEAD IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER OR BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. HEAD DIMENSIONS AND SIZES OF THREADED AND UNTHREADED PORTIONS SHALL CONFORM TO INTERNATIONALLY RECOGNIZED FASTENER STANDARDS. FOR ITEMS HAVING A GRIP LENGTH PORTION MACHINED TO A TOLERANCE OF 0.0015 INCH (0.038 MM) OR LESS, BOLT, SHEAR. SEE ALSO SCREW, CAP, HEXAGON HEAD AND SCREW, MACHINE.
CAGE Information
| Code | Company |
|---|---|
| 80205 | NATIONAL AEROSPACE STANDARDS COMMITT |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CQHQ | MINIMUM YIELD STRENGTH | 35000 POUNDS PER SQUARE INCH |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | D CLASS AND 2 TYPE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE OVERALL OR MIL-A-8625 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AASB | FASTENER LENGTH | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASU | HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| SFTT | SURFACE TREATMENT | OXIDE FILM OVERALL OR ANODIZE OVERALL |
| AASK | HEAD STYLE | HEXAGON |
| MATT | MATERIAL | ALUMINUM ALLOY 6061 OVERALL |
| AATB | WIDTH BETWEEN FLATS | 0.425 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 20 |