AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bolt Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-596-7420 (005967420) |
| NCB Code | USA (00) |
| Manufacturer | Military Standards Corp, Sps Technologies Inc, Alcoa Global Fasteners Inc, Avibank Mfg Inc, National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS27576-5-12 | military standards corp | bolt close tolerance | RFQ |
| 106467-5-12 | sps technologies inc | bolt close tolerance | RFQ |
| CA4510-5-12 | alcoa global fasteners inc | bolt close tolerance | RFQ |
| AS194-5-12 | avibank mfg inc | bolt close tolerance | RFQ |
| MS27576-5-12 | national aerospace standards com | bolt close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.311 INCHES MINIMUM AND 0.378 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.228 INCHES MINIMUM AND 1.248 INCHES MAXIMUM |
| AASK | HEAD STYLE | UNDERCUT HEXAGON |
| AASU | HEAD HEIGHT | 0.157 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.3108 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| ANEE | GRIP LENGTH | 0.750 INCHES MINIMUM AND 0.766 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQBC | MINIMUM TENSILE STRENGTH | 95000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 41.0 ROCKWELL C MAXIMUM OVERALL |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES GRIP |
| FEAT | SPECIAL FEATURES | RETAINING ELEMENT IN SHANK |
| MATT | MATERIAL | STEEL COMP 6120H OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 304L OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OVERALL OR MIL-S-8503 MIL SPEC 5TH MATE |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL 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 | UNF |
| Relevant Components for NSN - 5306-00-596-7420, 5306005967420 | ||||
| 5365-00-981-3580 (5365009813580) | 5306-01-663-0372 (5306016630372) | 5330-00-259-1415 (5330002591415) | 5340-00-140-8006 (5340001408006) | |
| 5310-01-055-6080 (5310010556080) | 5340-01-571-9066 (5340015719066) | 5360-01-528-5575 (5360015285575) | 5340-01-254-4525 (5340012544525) | |
| 5310-01-456-0920 (5310014560920) | 5331-01-311-6975 (5331013116975) | 5330-00-147-6676 (5330001476676) | 5365-01-201-0770 (5365012010770) | |
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