Part Number
Part Number:
NSN:
NIIN:
Item Name:
BOLT , RIBBED SHOULDER
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER. IT HAS A SERIES OF LONGITUDINAL RIBS, SPLINES OR SERRATIONS ON ALL OR A PART OF THE SHOULDER. THE MINOR DIAMETER OF THE RIBS MUST BE GREATER THAN THE MAJOR DIAMETER OF THE THREADS. SEE ALSO BOLT, RIBBED NECK.
CAGE Information
| Code | Company |
|---|---|
| 33116 | KELSEY-HAYES CO WHEEL DRUM AND BRAKE |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASK | HEAD STYLE | PAN NO. 2 |
| CQFM | HARDNESS RATING | 3.0 ROCKWELL C MINIMUM OVERALL AND 21.0 ROCKWELL C MAXIMUM OVERALL |
| AATX | SHOULDER LENGTH | 0.340 INCHES MINIMUM FIRST SHOULDER AND 0.350 INCHES MAXIMUM FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP 1020 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1023 OVERALL OR STEEL COMP 1029 OVERALL OR STEEL COMP 1030 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1022 OVERALL OR STEEL COMP 1025 OVERALL |
| AASU | HEAD HEIGHT | 0.160 INCHES NOMINAL |
| AAJD | THREAD CLASS | 3A |
| AASB | FASTENER LENGTH | 1.420 INCHES NOMINAL |
| AAVQ | RIB LENGTH | 0.120 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| AAJF | THREAD DIRECTION | LEFT-HAND |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAVP | RIB MAJOR DIAMETER | 0.618 INCHES MINIMUM AND 0.628 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.960 INCHES MINIMUM |
| AAVR | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.060 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 0.820 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.602 INCHES MINIMUM FIRST SHOULDER AND 0.605 INCHES MAXIMUM FIRST SHOULDER |
| CQBC | MINIMUM TENSILE STRENGTH | 110000 POUNDS PER SQUARE INCH |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL OR ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| CWYB | SHOULDER SHAPE | RIBBED FIRST SHOULDER |