| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-843-4888 (008434888) |
| NCB Code | USA (00) |
| Manufacturer | J W Harris Co Inc, Kaygor Inc, United Technologies Corporation, Bristol Industries, Alcoa Global Fasteners Inc, North Bridge Fasteners Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 390195 | j w harris co inc | bolt shoulder | RFQ |
| 390195 | kaygor inc | bolt shoulder | RFQ |
| 390195 | united technologies corporation | bolt shoulder | RFQ |
| 390195 | bristol industries | bolt shoulder | RFQ |
| 390195 | alcoa global fasteners inc | bolt shoulder | RFQ |
| 390195 | north bridge fasteners inc | bolt shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 2.370 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ASXK | HOLE QUANTITY | 4 |
| BQDM | HOLE TYPE | DRILLED |
| CFSG | NONSTANDARD THREAD PITCH DIAMETER | 0.2213 TO 0.2238 INCHES |
| CQFM | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| CRHC | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | SILVER OVERALL |
| AASA | THREAD LENGTH | 0.300 INCHES MINIMUM |
| AASK | HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| AASU | HEAD HEIGHT | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.302 INCHES MINIMUM AND 0.304 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 2.065 INCHES MINIMUM AND 2.075 INCHES MAXIMUM FIRST SHOULDER |
| AAUB | HOLE DIAMETER | 0.063 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| PRMT | PRECIOUS MATERIAL | SILVER |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-00-843-4888, 5306008434888 | ||||
| 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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