| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-142-8371 (011428371) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, Sps Technologies Inc, Sonic Industries Inc, Valley Todeco Inc, Huck International Inc, Lisi Aerospace Canada Corp, Hi Shear Corporation, Heartland Precision Fasteners In, Alcoa Global Fasteners Inc, B And B Specialties Inc, Fastener Innovation Technology Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| ST3M497-4-38 | boeing company the | bolt shoulder | RFQ |
| 109450-4-38 | sps technologies inc | bolt shoulder | RFQ |
| PBF1254-4-38 | sps technologies inc | bolt shoulder | RFQ |
| S11-1061-4-38 | sonic industries inc | bolt shoulder | RFQ |
| VAL23607-4-38 | valley todeco inc | bolt shoulder | RFQ |
| BM17019-4-38X | huck international inc | bolt shoulder | RFQ |
| MB88-4-38 | lisi aerospace canada corp | bolt shoulder | RFQ |
| MB88-4-38 | hi shear corporation | bolt shoulder | RFQ |
| HP5497-4-38 | heartland precision fasteners in | bolt shoulder | RFQ |
| VS3037-4-38 | alcoa global fasteners inc | bolt shoulder | RFQ |
| ST3M497-4-38 | b and b specialties inc | bolt shoulder | RFQ |
| ST3M497-4-38 | fastener innovation technology inc | bolt shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.371 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 2.756 INCHES MINIMUM AND 2.803 INCHES MAXIMUM |
| AASK | HEAD STYLE | DOUBLE HEXAGON |
| AASU | HEAD HEIGHT | 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.439 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.2646 INCHES MINIMUM FIRST SHOULDER AND 0.2651 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 2.365 INCHES MINIMUM FIRST SHOULDER AND 2.385 INCHES MAXIMUM FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP XM-13 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5306-01-142-8371, 5306011428371 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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