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 |
|---|---|
| 70876 | BATH IRON WORKS CORPORATION |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AATB | WIDTH BETWEEN FLATS | 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| MATT | MATERIAL | STEEL COMP 310 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 316 OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQBC | MINIMUM TENSILE STRENGTH | 75000 POUNDS PER SQUARE INCH |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-423 FED SPEC 3RD MATERIAL RESPONSE OVERALL OR QQ-S-763 FED SPEC 4TH MATERIAL RESPONSE OVERALL OR QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-W-423 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR QQ-S-763 FED SPEC 3RD MATERIAL RESPONSE OVERALL OR QQ-S-763 FED SPEC 6TH MATERIAL RESPONSE OVERALL OR QQ-W-423 FED SPEC 5TH MATERIAL RESPONSE OVERALL OR QQ-S-763 FED SPEC 5TH MATERIAL RESPONSE OVERALL OR QQ-W-423 FED SPEC 6TH MATERIAL RESPONSE OVERALL |
| CQFM | HARDNESS RATING | 95.0 ROCKWELL B MAXIMUM OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | HEXAGON |
| AASA | THREAD LENGTH | 1.000 INCHES MINIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AASU | HEAD HEIGHT | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| AASB | FASTENER LENGTH | 1.250 INCHES NOMINAL |