| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-351-1746 (013511746) |
| NCB Code | USA (01) |
| Manufacturer | Northrop Grumman Systems Corporation, D F P Manufacturing Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| A55B32509-413 | northrop grumman systems corporation | bolt shoulder | RFQ |
| A55B32509-413 | d f p manufacturing corp | bolt shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASB | FASTENER LENGTH | 2.750 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.219 INCHES NOMINAL |
| AATX | SHOULDER LENGTH | 1.200 INCHES NOMINAL ALL SHOULDERS |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM ALL HOLES AND 0.086 INCHES MAXIMUM ALL HOLES |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.710 INCHES NOMINAL ALL HOLES |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| AATN | SHOULDER DIAMETER | 0.371 INCHES MINIMUM ALL SHOULDERS AND 0.374 INCHES MAXIMUM ALL SHOULDERS |
| CWYB | SHOULDER SHAPE | ROUND ALL SHOULDERS |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.460 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AAJD | THREAD CLASS | 3A |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQBC | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 5306-01-351-1746, 5306013511746 | ||||
| 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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