| Item Name | Bolt Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-037-8903 (010378903) |
| NCB Code | USA (01) |
| Manufacturer | Hi Shear Corporation, Lisi Aerospace Canada Corp, Heartland Precision Fasteners In, Huck International Inc, Valley Todeco Inc, Sps Technologies Inc, Alcoa Global Fasteners Inc, Boeing Company The, Fastener Innovation Technology Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| MB145-6D31 | hi shear corporation | bolt close tolerance | 73197 | RFQ |
| MB145-6D31 | lisi aerospace canada corp | bolt close tolerance | l4528 | RFQ |
| ST3M729-6D31 | heartland precision fasteners in | bolt close tolerance | 0zc92 | RFQ |
| ST3M729-6D31 | huck international inc | bolt close tolerance | 97928 | RFQ |
| ST3M729-6D31 | valley todeco inc | bolt close tolerance | 06710 | RFQ |
| ST3M729-6D31 | sps technologies inc | bolt close tolerance | 80539 | RFQ |
| ST3M729-6D31 | alcoa global fasteners inc | bolt close tolerance | 92215 | RFQ |
| ST3M729-6D31 | boeing company the | bolt close tolerance | 76301 | RFQ |
| ST3M729-6D31 | hi shear corporation | bolt close tolerance | 73197 | RFQ |
| ST3M729-6D31 | lisi aerospace canada corp | bolt close tolerance | l4528 | RFQ |
| ST3M729-6D31 | fastener innovation technology inc | bolt close tolerance | 58998 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.365 INCHES MINIMUM AND 0.432 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 2.313 INCHES MINIMUM AND 2.360 INCHES MAXIMUM |
| AASK | HEAD STYLE | DOUBLE HEXAGON |
| AASU | HEAD HEIGHT | 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM FIRST HOLE AND 0.111 INCHES MAXIMUM FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| ANEE | GRIP LENGTH | 1.928 INCHES MINIMUM AND 1.948 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.185 INCHES MINIMUM FIRST HOLE AND 2.252 INCHES MAXIMUM FIRST HOLE |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 23-112,MCDONNEL DOUGLAS CORP MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Components Related to NSN - 5306-01-037-8903, 5306010378903 | ||||
| 5330-00-154-7423 (5330001547423) | 5365-01-326-1135 (5365013261135) | 5306-01-053-6961 (5306010536961) | 5310-00-523-2141 (5310005232141) | |
| 5325-01-240-1213 (5325012401213) | 5360-01-089-4004 (5360010894004) | 5330-01-089-6878 (5330010896878) | 5330-01-125-9042 (5330011259042) | |
| 5365-01-447-3568 (5365014473568) | 5340-00-967-7591 (5340009677591) | 5305-00-733-6616 (5305007336616) | 5310-01-278-4520 (5310012784520) | |
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