| Item Name | Bolt Ribbed Shoulde |
| INC Code | 16014 |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-181-8009 (011818009) |
| NCB Code | USA (01) |
| Manufacturer | Rolls Royce Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.840 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 1.330 INCHES MINIMUM AND 1.360 INCHES MAXIMUM |
| AASK | HEAD STYLE | DEE CHAMFER |
| AASL | HEAD DIAMETER | 0.624 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.188 INCHES NOMINAL |
| AASY | DISTANCE FROM CENTERLINE TO FLAT | 0.166 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.317 INCHES MINIMUM AND 0.321 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.260 INCHES NOMINAL FIRST SHOULDER |
| AAVP | RIB MAJOR DIAMETER | 0.321 INCHES NOMINAL |
| AAVQ | RIB LENGTH | 0.260 INCHES NOMINAL |
| AAVR | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.030 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| AAVT | RIB MINOR DIAMETER | 0.317 INCHES NOMINAL |
| AAVU | RIB QUANTITY | 33 |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| CRKB | RIB INCLUDED ANGLE | 85.0 DEGREES NOMINAL |
| CWYB | SHOULDER SHAPE | RIBBED FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | HEAD COLOR WITH YELLOW MARKING INK |
| MATT | MATERIAL | STEEL COMP 1335 OR STEEL COMP 1541 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNRF |
| Relevant Components for NSN - 5306-01-181-8009, 5306011818009 | ||||
| 5306-01-044-6542 (5306010446542) | 5306-00-638-3143 (5306006383143) | 5306-01-599-7864 (5306015997864) | 5306-01-580-9186 (5306015809186) | |
| 5306-00-836-0237 (5306008360237) | 5306-00-490-4588 (5306004904588) | 5306-00-515-7096 (5306005157096) | 5306-01-339-9553 (5306013399553) | |
| 5306-00-655-7488 (5306006557488) | 5306-01-669-6717 (5306016696717) | 5306-00-151-0433 (5306001510433) | 5306-00-452-4577 (5306004524577) | |
![]() |
AS9120B and ISO 9001:2015 |
![]() |
Aviation Suppliers Association Member |
![]() |
FAA AC 0056B Accredited |
![]() |
AS 6081:2012 Certification |
![]() |
ESD S20.20-2014 Certification |
Don’t forget That We offer 24/7 Service, Competitive Prices, and Fast Deliveries. We Hope You'll Make Us Your One-Stop Purchasing Solution!
Request for Quote