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 |
|---|---|
| 11449 | TURBO POWER & MARINE SYSTEM INC SUB |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AATD | EXTENDED WASHER THICKNESS | 0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.115 INCHES NOMINAL |
| AAJD | THREAD CLASS | 3A |
| AATC | EXTENDED WASHER DIAMETER | 0.450 INCHES MINIMUM AND 0.470 INCHES MAXIMUM |
| AATX | SHOULDER LENGTH | 0.340 INCHES NOMINAL SECOND SHOULDER |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRKB | RIB INCLUDED ANGLE | 45.0 DEGREES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.285 INCHES MINIMUM FIRST SHOULDER AND 0.295 INCHES MAXIMUM FIRST SHOULDER |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQFM | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AATN | SHOULDER DIAMETER | 0.279 INCHES MINIMUM SECOND SHOULDER AND 0.281 INCHES MAXIMUM SECOND SHOULDER |
| AASB | FASTENER LENGTH | 1.640 INCHES MINIMUM AND 1.660 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL |
| AATX | SHOULDER LENGTH | 0.060 INCHES NOMINAL FIRST SHOULDER |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAVQ | RIB LENGTH | 0.340 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | SCAVENGE PUMP,TF-33 |
| AAVT | RIB MINOR DIAMETER | 0.260 INCHES MINIMUM AND 0.266 INCHES MAXIMUM |
| AAVU | RIB QUANTITY | 35 |
| AAVR | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| AAVP | RIB MAJOR DIAMETER | 0.279 INCHES MINIMUM AND 0.281 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT EXTENDED WASHER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASA | THREAD LENGTH | 0.490 INCHES MINIMUM AND 0.570 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.880 INCHES MINIMUM AND 0.900 INCHES MAXIMUM |
| CWYB | SHOULDER SHAPE | RIBBED SECOND SHOULDER |