| 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 | Lisi Aerospace Canada Corp, Hi Shear Corporation, Huck International Inc, Alcoa Global Fasteners Inc, Boeing Company The, Fastener Innovation Technology Inc, Heartland Precision Fasteners In, Sps Technologies Inc, Valley Todeco Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| MB145-6D31 | lisi aerospace canada corp | bolt close tolerance | l4528 | RFQ |
| MB145-6D31 | hi shear corporation | bolt close tolerance | 73197 | RFQ |
| ST3M729-6D31 | huck international inc | bolt close tolerance | 97928 | RFQ |
| ST3M729-6D31 | hi shear corporation | bolt close tolerance | 73197 | RFQ |
| ST3M729-6D31 | alcoa global fasteners inc | bolt close tolerance | 92215 | RFQ |
| ST3M729-6D31 | boeing company the | bolt close tolerance | 76301 | RFQ |
| ST3M729-6D31 | fastener innovation technology inc | bolt close tolerance | 58998 | RFQ |
| ST3M729-6D31 | heartland precision fasteners in | bolt close tolerance | 0zc92 | RFQ |
| ST3M729-6D31 | lisi aerospace canada corp | bolt close tolerance | l4528 | RFQ |
| ST3M729-6D31 | sps technologies inc | bolt close tolerance | 80539 | RFQ |
| ST3M729-6D31 | valley todeco inc | bolt close tolerance | 06710 | 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 |
| Relevant Components for NSN - 5306-01-037-8903, 5306010378903 | ||||
| 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) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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