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 |
---|---|
19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMS |
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 |