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 |
|---|---|---|
| AASK | HEAD STYLE | PAN NO. 2 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-634 FED SPEC 6TH MATERIAL RESPONSE OVERALL OR QQ-S-634 FED SPEC 7TH MATERIAL RESPONSE OVERALL OR QQ-S-631 FED SPEC 8TH MATERIAL RESPONSE OVERALL OR QQ-S-634 FED SPEC 3RD MATERIAL RESPONSE OVERALL OR QQ-S-634 FED SPEC 4TH MATERIAL RESPONSE OVERALL OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE OVERALL OR QQ-S-631 FED SPEC 5TH MATERIAL RESPONSE OVERALL OR QQ-S-634 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-S-631 FED SPEC 9TH MATERIAL RESPONSE OVERALL |
| AATX | SHOULDER LENGTH | 0.340 INCHES MINIMUM FIRST SHOULDER AND 0.350 INCHES MAXIMUM FIRST SHOULDER |
| AASU | HEAD HEIGHT | 0.160 INCHES NOMINAL |
| AAJD | THREAD CLASS | 3A |
| AASB | FASTENER LENGTH | 1.420 INCHES NOMINAL |
| AAVQ | RIB LENGTH | 0.120 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| MATT | MATERIAL | STEEL COMP 1022 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1029 OVERALL OR STEEL COMP 1020 OVERALL OR STEEL COMP 1023 OVERALL OR STEEL COMP 1025 OVERALL OR STEEL COMP 1026 OVERALL OR STEEL COMP 1030 OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAVP | RIB MAJOR DIAMETER | 0.618 INCHES MINIMUM AND 0.628 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.960 INCHES MINIMUM |
| AAVR | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.060 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 0.820 INCHES NOMINAL |
| CQBC | MINIMUM TENSILE STRENGTH | 110000 POUNDS PER SQUARE INCH |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| AAVU | RIB QUANTITY | 39 |
| CQFM | HARDNESS RATING | 170.0 BRINELL STANDARD MINIMUM OVERALL AND 248.0 BRINELL STANDARD MAXIMUM OVERALL |
| AATN | SHOULDER DIAMETER | 0.6020 INCHES MINIMUM FIRST SHOULDER AND 0.6050 INCHES MAXIMUM FIRST SHOULDER |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CWYB | SHOULDER SHAPE | RIBBED FIRST SHOULDER |