| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-140-8833 (011408833) |
| NCB Code | USA (01) |
| Manufacturer | Mecair Aerospace Industries Inc, Blanc Aero Industries Uk Ltd, Turbo Power And Marine System Inc, North Bridge Fasteners Inc, Ms Aerospace Inc, Alcoa Global Fasteners Inc, United Technologies Corporation, Bristol Industries |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 2178425 | mecair aerospace industries inc | bolt shoulder | 0rhl5 | RFQ |
| 2178425 | blanc aero industries uk ltd | bolt shoulder | 0hbf7 | RFQ |
| 2178425 | turbo power and marine system inc | bolt shoulder | 11449 | RFQ |
| 2178425 | north bridge fasteners inc | bolt shoulder | 5t572 | RFQ |
| 2178425 | ms aerospace inc | bolt shoulder | 0ucy9 | RFQ |
| 2178425 | alcoa global fasteners inc | bolt shoulder | 92215 | RFQ |
| 2178425 | united technologies corporation | bolt shoulder | 77445 | RFQ |
| 2178425 | bristol industries | bolt shoulder | 27238 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.508 INCHES MINIMUM AND 0.538 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.713 INCHES MINIMUM AND 0.733 INCHES MAXIMUM |
| AASK | HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| AASU | HEAD HEIGHT | 0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.375 INCHES NOMINAL |
| AATC | EXTENDED WASHER DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.070 INCHES MINIMUM |
| AATN | SHOULDER DIAMETER | 0.3150 INCHES MINIMUM FIRST SHOULDER AND 0.3160 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.195 INCHES MINIMUM FIRST SHOULDER AND 0.205 INCHES MAXIMUM FIRST SHOULDER |
| AAUB | HOLE DIAMETER | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| ASXK | HOLE QUANTITY | 4 |
| BQDM | HOLE TYPE | DRILLED |
| CFSG | NONSTANDARD THREAD PITCH DIAMETER | 0.2707/0.2739 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CRHC | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | NICKEL ALLOY OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5754 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNS |
| Relevant Components for NSN - 5306-01-140-8833, 5306011408833 | ||||
| 5306-00-328-4387 (5306003284387) | 5315-00-597-5584 (5315005975584) | 5305-01-348-0619 (5305013480619) | 5305-01-552-2787 (5305015522787) | |
| 5330-01-171-0634 (5330011710634) | 5325-01-387-4976 (5325013874976) | 5320-00-343-5474 (5320003435474) | 5365-00-409-4173 (5365004094173) | |
| 5325-01-631-8303 (5325016318303) | 5330-01-466-9019 (5330014669019) | 5342-01-629-8604 (5342016298604) | 5330-00-785-0730 (5330007850730) | |
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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