AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bolt Shear |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-131-7221 (001317221) |
| NCB Code | USA (00) |
| Manufacturer | Military Standards Corp, Allen Mfg Co, Chandler Craftsman Controls, All Manufacturers Inc, Mercury Aerospace Fasteners Inc, Huck International Inc, Alcoa Global Fasteners Inc, Textron Fastening Systems Ltd, Sps Technologies Inc, Valley Todeco Inc, National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS21250-05056 | military standards corp | bolt shear | RFQ |
| MS21250-05056 | allen mfg co | bolt shear | RFQ |
| MS21250-05056 | chandler craftsman controls | bolt shear | RFQ |
| MS21250-05056 | all manufacturers inc | bolt shear | RFQ |
| MS21250-05056 | mercury aerospace fasteners inc | bolt shear | RFQ |
| MS21250-05056 | huck international inc | bolt shear | RFQ |
| MS21250-05056 | alcoa global fasteners inc | bolt shear | RFQ |
| MS21250-05056 | textron fastening systems ltd | bolt shear | RFQ |
| MS21250-05056 | sps technologies inc | bolt shear | RFQ |
| MS21250-05056 | valley todeco inc | bolt shear | RFQ |
| VFK100G-05056 | valley todeco inc | bolt shear | RFQ |
| MS21250-05056 | national aerospace standards com | bolt shear | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.589 INCHES MINIMUM AND 0.609 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 4.099 INCHES NOMINAL |
| AASK | HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| AASU | HEAD HEIGHT | 0.348 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.082 INCHES NOMINAL |
| AAUR | GRIP DIAMETER | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| ANEE | GRIP LENGTH | 3.490 INCHES MINIMUM AND 3.510 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| MATT | MATERIAL | STEEL COMP E4340 OR STEEL COMP 8740 OR STEEL COMP 6150 OR STEEL COMP 4140 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 4TH MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5306-00-131-7221, 5306001317221 | ||||
| 5340-01-131-8536 (5340011318536) | 5306-01-438-9363 (5306014389363) | 5306-00-839-1951 (5306008391951) | 5330-00-854-3797 (5330008543797) | |
| 5330-99-729-7553 (5330997297553) | 5306-01-710-7805 (5306017107805) | 5310-01-125-4124 (5310011254124) | 5315-01-514-6048 (5315015146048) | |
| 5306-00-009-5138 (5306000095138) | 5340-01-575-9010 (5340015759010) | 5305-00-130-4358 (5305001304358) | 5310-01-513-5337 (5310015135337) | |
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