| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-721-5775 (007215775) |
| NCB Code | USA (00) |
| Manufacturer | Martin Baker Aircraft Co Ltd |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AASA | THREAD LENGTH | 0.316 INCHES MINIMUM |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.156 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.615 INCHES MINIMUM FIRST SHOULDER AND 0.620 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 3.204 INCHES NOMINAL SECOND SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CWYB | SHOULDER SHAPE | ROUND ALL SHOULDERS |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 3.750 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.617 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.3715 INCHES MINIMUM SECOND SHOULDER AND 0.3745 INCHES MAXIMUM SECOND SHOULDER |
| AATX | SHOULDER LENGTH | 0.140 INCHES NOMINAL FIRST SHOULDER |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| Components Related to NSN - 5306-00-721-5775, 5306007215775 | ||||
| 5315-01-076-2969 (5315010762969) | 5325-00-543-3429 (5325005433429) | 5340-00-196-3675 (5340001963675) | 5360-01-424-6607 (5360014246607) | |
| 5310-00-084-4232 (5310000844232) | 5365-01-532-4588 (5365015324588) | 5340-01-654-3113 (5340016543113) | 5305-01-143-8635 (5305011438635) | |
| 5340-01-332-8256 (5340013328256) | 5360-00-558-5147 (5360005585147) | 5306-01-234-3071 (5306012343071) | 5305-01-175-6588 (5305011756588) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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