| Item Name | Bolt Ribbed Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-237-6844 (012376844) |
| NCB Code | USA (01) |
| Manufacturer | Dexter Axle Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.580 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 2.450 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.840 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.280 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.582 INCHES MINIMUM FIRST SHOULDER AND 0.592 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.720 INCHES NOMINAL FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.562 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CWYB | SHOULDER SHAPE | RIBBED FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP 1541 OVERALL |
| SFTT | SURFACE TREATMENT | ZINC OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TY II,CLASS FE/ZN8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-01-237-6844, 5306012376844 | ||||
| 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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