| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-383-8863 (013838863) |
| NCB Code | USA (01) |
| Manufacturer | General Electric Company, Valley Todeco Inc, Kitco Inc, Acufast Aircraft Products Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 5051M52P04 | general electric company | bolt shoulder | RFQ |
| 5051M52P04 | valley todeco inc | bolt shoulder | RFQ |
| 5051M52P04 | kitco inc | bolt shoulder | RFQ |
| 5051M52P04 | acufast aircraft products inc | bolt shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AATX | SHOULDER LENGTH | 0.054 INCHES MINIMUM ALL SHOULDERS AND 0.071 INCHES MAXIMUM ALL SHOULDERS |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AAJD | THREAD CLASS | 3A |
| AASU | HEAD HEIGHT | 0.166 INCHES MINIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.375 INCHES NOMINAL |
| AATC | EXTENDED WASHER DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AAVJ | SHOULDER WIDTH ACROSS FLATS | 0.370 INCHES MINIMUM ALL SHOULDERS AND 0.371 INCHES MAXIMUM ALL SHOULDERS |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| MATT | MATERIAL | NICKEL ALLOY OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.319 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.182 INCHES NOMINAL |
| CWYB | SHOULDER SHAPE | SQUARE ALL SHOULDERS |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AASB | FASTENER LENGTH | 3.840 INCHES MINIMUM AND 3.860 INCHES MAXIMUM |
| AASK | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| Relevant Components for NSN - 5306-01-383-8863, 5306013838863 | ||||
| 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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