| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-035-3136 (010353136) |
| NCB Code | USA (01) |
| Manufacturer | Alcoa Global Fasteners Inc, B And B Specialties Inc, Aerospace Rivet Mfrs Corp, Sps Technologies Ltd, Huck International Inc, Saturn Fasteners Inc, Heartland Precision Fasteners Inc, Lfc Industries Inc, 3 V Fastener Co Inc, Bell Helicopter Textron Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 20-057-6-27D | alcoa global fasteners inc | bolt shoulder | RFQ |
| 20-057-6-27D | b and b specialties inc | bolt shoulder | RFQ |
| 20-057-6-27D | aerospace rivet mfrs corp | bolt shoulder | RFQ |
| 20-057-6-27D | sps technologies ltd | bolt shoulder | RFQ |
| 20-057-6-27D | huck international inc | bolt shoulder | RFQ |
| 20-057-6-27D | saturn fasteners inc | bolt shoulder | RFQ |
| 20-057-6-27D | heartland precision fasteners inc | bolt shoulder | RFQ |
| 20-057-6-27D | lfc industries inc | bolt shoulder | RFQ |
| 20-057-6-27D | 3 v fastener co inc | bolt shoulder | RFQ |
| 20-057-6-27D | bell helicopter textron inc | bolt shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.603 INCHES MINIMUM AND 0.653 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 2.251 INCHES MINIMUM AND 2.281 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.188 INCHES MINIMUM AND 0.203 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.558 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.523 INCHES NOMINAL FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.020 INCHES NOMINAL FIRST SHOULDER |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM FIRST HOLE AND 0.116 INCHES MAXIMUM FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.044 INCHES MINIMUM FIRST HOLE AND 2.094 INCHES MAXIMUM FIRST HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5306-01-035-3136, 5306010353136 | ||||
| 5365-99-998-9980 (5365999989980) | 5365-99-998-9265 (5365999989265) | 5365-99-997-1598 (5365999971598) | 5365-99-996-9236 (5365999969236) | |
| 5365-99-994-0353 (5365999940353) | 5365-99-994-0176 (5365999940176) | 5365-99-992-1527 (5365999921527) | 5365-99-990-8469 (5365999908469) | |
| 5365-99-989-0900 (5365999890900) | 5365-99-987-5556 (5365999875556) | 5365-99-983-0520 (5365999830520) | 5365-99-979-8712 (5365999798712) | |
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