Thank you for considering Military Specifications part number B6812, a component we stock that is further identified by the NSN 5306-00-180-0408 and product description “Bolt Close Tolerance.” This item is currently available for purchase on our website today, and you can obtain a tailored quote at any time by completing the form on this page. To help us provide the best solution, please include critical details like your quantity requirements, target pricing, and delivery preferences within the submitted request. Once we receive your form, our team will promptly review provided information and respond with a quote that aligns with your needs.
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Alongside part number B6812, we encourage you to explore other offerings we carry from Military Specifications that have been produced under CAGE Code 81349, as well as similar products classified under FSC 5306 Bolts that may suit your projects. We can help you obtain pricing on all items that you are interested in, securing the most optimal solution for you. We are also happy to discuss any requirements that you may have, presenting specialized options for many restrictions and needs alike. With our services in mind, please submit your request for part number B6812 today and discover why Marine Defence Parts is a trusted partner for naval and defense procurement.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5306-00-180-0408 Item PartTypeName: BOLT,CLOSE TOLERANCE | 5306 | 001800408 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| B6812 | 2 | 1 | 4 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.874 INCHES MINIMUM AND 0.953 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 4.515 INCHES MINIMUM AND 4.562 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.5611 INCHES MINIMUM AND 0.5616 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM FIRST HOLE AND 0.151 INCHES MAXIMUM FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.562 INCHES |
| ANEE | GRIP LENGTH | 3.609 INCHES MINIMUM AND 3.641 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CQBC | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.297 INCHES MAXIMUM FIRST HOLE |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES GRIP |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 4037 OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE 2 CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
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