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 |
|---|---|
| 09386 | ALLIEDSIGNAL INC ALLIEDSIGNAL BRAKIN |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CFSG | NONSTANDARD THREAD PITCH DIAMETER | +0.8133/+0.8179 INCHES |
| AASA | THREAD LENGTH | 1.562 INCHES MINIMUM |
| THSD | THREAD SERIES DESIGNATOR | UN |
| AASL | HEAD DIAMETER | 1.188 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.875 INCHES |
| AASU | HEAD HEIGHT | 0.375 INCHES NOMINAL |
| AAVP | RIB MAJOR DIAMETER | 0.902 INCHES MINIMUM AND 0.912 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.858 INCHES MINIMUM FIRST SHOULDER AND 0.868 INCHES MAXIMUM FIRST SHOULDER |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AATX | SHOULDER LENGTH | 0.375 INCHES NOMINAL FIRST SHOULDER |
| AASK | HEAD STYLE | DEE |
| MATT | MATERIAL | STEEL OVERALL |
| AASB | FASTENER LENGTH | 2.562 INCHES NOMINAL |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| AASY | DISTANCE FROM CENTERLINE TO FLAT | 0.450 INCHES MINIMUM AND 0.455 INCHES MAXIMUM |
| AAVU | RIB QUANTITY | 40 |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| AAVR | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.062 INCHES NOMINAL |
| CWYB | SHOULDER SHAPE | RIBBED FIRST SHOULDER |
| AAVQ | RIB LENGTH | 0.250 INCHES NOMINAL |