| Item Name | Bolt Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-337-6979 (013376979) |
| NCB Code | USA (01) |
| Manufacturer | The Boeing Company, Sps Technologies Inc, Alcoa Global Fasteners Inc, Federal Mfg Co Inc, Huck International Inc, Sonic Industries Inc, Valley Todeco Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| BACB30UU8 27D | the boeing company | bolt close tolerance | 81205 | RFQ |
| BACB30UU8-27D | sps technologies inc | bolt close tolerance | 56878 | RFQ |
| BACB30UU8-27D | alcoa global fasteners inc | bolt close tolerance | 92215 | RFQ |
| BACB30UU8-27D | federal mfg co inc | bolt close tolerance | 17943 | RFQ |
| BACB30UU8-27D | huck international inc | bolt close tolerance | 97928 | RFQ |
| BACB30UU8-27D | sonic industries inc | bolt close tolerance | 57928 | RFQ |
| BACB30UU8-27D | valley todeco inc | bolt close tolerance | 06710 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AATB | WIDTH BETWEEN FLATS | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM FIRST HOLE AND 0.116 INCHES MAXIMUM FIRST HOLE |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.017 INCHES MINIMUM FIRST HOLE AND 2.067 INCHES MAXIMUM FIRST HOLE |
| AAJD | THREAD CLASS | 3A |
| AASA | THREAD LENGTH | 0.541 INCHES NOMINAL |
| AASK | HEAD STYLE | DOUBLE HEXAGON |
| AAUR | GRIP DIAMETER | 0.4990 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| ANEE | GRIP LENGTH | 1.677 INCHES MINIMUM AND 1.697 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AASU | HEAD HEIGHT | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD32.0 MICROINCHES GRIP32.0 MICROINCHES THREADS |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 2.213 INCHES MINIMUM AND 2.243 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| MATT | MATERIAL | NICKEL ALLOY 718 OVERALL |
| Components Related to NSN - 5306-01-337-6979, 5306013376979 | ||||
| 5306-00-660-3288 (5306006603288) | 5340-01-138-8180 (5340011388180) | 5330-01-323-8411 (5330013238411) | 5360-01-204-0090 (5360012040090) | |
| 5307-00-612-4110 (5307006124110) | 5340-01-482-4141 (5340014824141) | 5310-01-062-0524 (5310010620524) | 5340-01-597-2720 (5340015972720) | |
| 5325-99-120-1207 (5325991201207) | 5315-01-696-7898 (5315016967898) | 5340-01-137-3603 (5340011373603) | 5355-01-379-0440 (5355013790440) | |
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