| Item Name | Bolt Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-478-3808 (014783808) |
| NCB Code | USA (01) |
| Manufacturer | Aeronautical Standards Group, Military Specifications |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| AN185C45A | aeronautical standards group | bolt close tolerance | 88044 | RFQ |
| MIL-B-6812 | military specifications | bolt close tolerance | 81349 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.375 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 4.859 INCHES MINIMUM AND 4.906 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 1.428 INCHES MINIMUM AND 1.441 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.9975 INCHES MINIMUM AND 0.9985 INCHES MAXIMUM |
| AGAV | END ITEM IDENTIFICATION | 4920-01-268-2004 |
| AHYM | NOMINAL THREAD DIAMETER | 1.000 INCHES |
| ANEE | GRIP LENGTH | 3.484 INCHES MINIMUM AND 3.576 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| MATT | MATERIAL | STEEL COMP 431 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-01-478-3808, 5306014783808 | ||||
| 5340-01-621-1479 (5340016211479) | 5365-00-381-4908 (5365003814908) | 5355-01-573-0404 (5355015730404) | 5330-01-580-7284 (5330015807284) | |
| 5305-01-282-1451 (5305012821451) | 5330-01-361-5513 (5330013615513) | 5340-00-611-7621 (5340006117621) | 5320-01-615-4000 (5320016154000) | |
| 5310-01-334-3643 (5310013343643) | 5330-01-327-5730 (5330013275730) | 5325-00-763-5757 (5325007635757) | 5340-01-576-0345 (5340015760345) | |
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