| 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 | Alcoa Global Fasteners Inc, Pro Des Inc, United Technologies Corporation, Accurate Threaded Products Company, Turbo Power And Marine System Inc, Kito Mfg Co Ltd |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 494927 | alcoa global fasteners inc | bolt ribbed shoulder | RFQ |
| 494927 | pro des inc | bolt ribbed shoulder | RFQ |
| 494927 | united technologies corporation | bolt ribbed shoulder | RFQ |
| 494927 | accurate threaded products company | bolt ribbed shoulder | RFQ |
| 494927 | turbo power and marine system inc | bolt ribbed shoulder | RFQ |
| 494927 | kito mfg co ltd | 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 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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