AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-187-3857 (011873857) |
| NCB Code | USA (01) |
| Manufacturer | Hydromach Inc, Cm Manufacturing Inc, Es3 Prime Logistics Group Inc, Berry Enterprises Inc, Heroux Devtek Inc, Goodrich Corporation, Canadian Commercial Corp, All Tools Inc, Quality Socket Screw Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 1881B177 | hydromach inc | bolt shoulder | RFQ |
| 1881B177 | cm manufacturing inc | bolt shoulder | RFQ |
| 1881B177 | es3 prime logistics group inc | bolt shoulder | RFQ |
| 1881B177 | berry enterprises inc | bolt shoulder | RFQ |
| 1881B177 | heroux devtek inc | bolt shoulder | RFQ |
| 1881B177 | goodrich corporation | bolt shoulder | RFQ |
| 1881B177 | canadian commercial corp | bolt shoulder | RFQ |
| 1881B177 | all tools inc | bolt shoulder | RFQ |
| 1881B177 | quality socket screw corporation | bolt shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.535 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 3.125 INCHES NOMINAL |
| AASK | HEAD STYLE | ROUND W/WRENCH FLATS |
| AASL | HEAD DIAMETER | 0.9976 INCHES MINIMUM AND 0.9985 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.250 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 1.250 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.875 INCHES NOMINAL FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 2.590 INCHES NOMINAL FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.750 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| CQHQ | MINIMUM YIELD STRENGTH | 200000 POUNDS PER SQUARE INCH |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP 4340 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8844 CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 CL 1 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-01-187-3857, 5306011873857 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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