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 |
|---|---|
| 16565 | NEW PROGRESS INC |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASK | HEAD STYLE | DRIVE |
| AAJF | THREAD DIRECTION | LEFT-HAND |
| AASL | HEAD DIAMETER | 1.250 INCHES NOMINAL |
| CRKB | RIB INCLUDED ANGLE | 60.0 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL OVERALL |
| AAVR | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.590 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASU | HEAD HEIGHT | 0.188 INCHES NOMINAL |
| AAVU | RIB QUANTITY | 33 |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| AAVP | RIB MAJOR DIAMETER | 0.812 INCHES NOMINAL |
| AAJD | THREAD CLASS | 2A |
| AHYM | NOMINAL THREAD DIAMETER | 0.750 INCHES |
| AASA | THREAD LENGTH | 1.188 INCHES NOMINAL |
| AATX | SHOULDER LENGTH | 1.500 INCHES NOMINAL FIRST SHOULDER |
| AATN | SHOULDER DIAMETER | 0.775 INCHES NOMINAL FIRST SHOULDER |
| AAVT | RIB MINOR DIAMETER | 0.750 INCHES NOMINAL |
| AAVQ | RIB LENGTH | 0.500 INCHES NOMINAL |
| CWYB | SHOULDER SHAPE | RIBBED FIRST SHOULDER |
| AASB | FASTENER LENGTH | 2.875 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |