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 |
|---|---|
| 0W357 | PDI GROUND SUPPORT SYSTEMS INC. |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MATT | MATERIAL | STEEL COMP 1020 OVERALL |
| AASU | HEAD HEIGHT | 0.230 INCHES MINIMUM AND 0.240 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASB | FASTENER LENGTH | 2.062 INCHES MINIMUM AND 2.093 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| AAVQ | RIB LENGTH | 0.779 INCHES MINIMUM AND 0.789 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AATX | SHOULDER LENGTH | 0.779 INCHES MINIMUM FIRST SHOULDER AND 0.789 INCHES MAXIMUM FIRST SHOULDER |
| AASA | THREAD LENGTH | 1.000 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAVU | RIB QUANTITY | 34 |
| AATN | SHOULDER DIAMETER | 0.552 INCHES MINIMUM FIRST SHOULDER AND 0.562 INCHES MAXIMUM FIRST SHOULDER |
| AAJD | THREAD CLASS | 2A |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| AAVP | RIB MAJOR DIAMETER | 0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| AAVR | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.062 INCHES NOMINAL |
| AAVT | RIB MINOR DIAMETER | 0.526 INCHES MINIMUM AND 0.531 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CWYB | SHOULDER SHAPE | RIBBED FIRST SHOULDER |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| AASL | HEAD DIAMETER | 0.750 INCHES NOMINAL |