AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bolt Ribbed Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-022-8085 (000228085) |
| NCB Code | USA (00) |
| Manufacturer | Kito Mfg Co Ltd, Turbo Power And Marine System Inc, United Technologies Corporation, Accurate Threaded Products Company, Pro Des Inc, Alcoa Global Fasteners Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 494927 | kito mfg co ltd | bolt ribbed shoulder | RFQ |
| 494927 | turbo power and marine system inc | bolt ribbed shoulder | RFQ |
| 494927 | united technologies corporation | bolt ribbed shoulder | RFQ |
| 494927 | accurate threaded products company | bolt ribbed shoulder | RFQ |
| 494927 | pro des inc | bolt ribbed shoulder | RFQ |
| 494927 | alcoa global fasteners inc | bolt ribbed shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.490 INCHES MINIMUM AND 0.570 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.640 INCHES MINIMUM AND 1.660 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT EXTENDED WASHER |
| AASL | HEAD DIAMETER | 0.880 INCHES MINIMUM AND 0.900 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.115 INCHES NOMINAL |
| AATC | EXTENDED WASHER DIAMETER | 0.450 INCHES MINIMUM AND 0.470 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.279 INCHES MINIMUM SECOND SHOULDER AND 0.281 INCHES MAXIMUM SECOND SHOULDER |
| AATN | SHOULDER DIAMETER | 0.285 INCHES MINIMUM FIRST SHOULDER AND 0.295 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.060 INCHES NOMINAL FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.340 INCHES NOMINAL SECOND SHOULDER |
| AAVP | RIB MAJOR DIAMETER | 0.279 INCHES MINIMUM AND 0.281 INCHES MAXIMUM |
| AAVQ | RIB LENGTH | 0.340 INCHES NOMINAL |
| AAVR | DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| AAVT | RIB MINOR DIAMETER | 0.260 INCHES MINIMUM AND 0.266 INCHES MAXIMUM |
| AAVU | RIB QUANTITY | 35 |
| AGAV | END ITEM IDENTIFICATION | SCAVENGE PUMP,TF-33 |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQFM | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| CRKB | RIB INCLUDED ANGLE | 45.0 DEGREES NOMINAL |
| CWYB | SHOULDER SHAPE | RIBBED SECOND SHOULDER |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-00-022-8085, 5306000228085 | ||||
| 5340-01-131-8536 (5340011318536) | 5306-01-438-9363 (5306014389363) | 5306-00-839-1951 (5306008391951) | 5330-00-854-3797 (5330008543797) | |
| 5330-99-729-7553 (5330997297553) | 5306-01-710-7805 (5306017107805) | 5310-01-125-4124 (5310011254124) | 5315-01-514-6048 (5315015146048) | |
| 5306-00-009-5138 (5306000095138) | 5340-01-575-9010 (5340015759010) | 5305-00-130-4358 (5305001304358) | 5310-01-513-5337 (5310015135337) | |
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