| Item Name | Bolt Externally Relieved Body |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-420-5840 (004205840) |
| NCB Code | USA (00) |
| Manufacturer | Eaton Aerospace Ltd |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.190 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 0.605 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON EXTENDED WASHER |
| AASU | HEAD HEIGHT | 0.240 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.305 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 0.357 INCHES MINIMUM AND 0.359 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.050 INCHES NOMINAL |
| AAWC | FIRST DIAMETER FROM HEAD | 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| AAWD | SECOND DIAMETER FROM HEAD | 0.562 INCHES NOMINAL |
| AAWE | THIRD DIAMETER FROM HEAD | 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.240 INCHES NOMINAL |
| AAWJ | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.320 INCHES NOMINAL |
| AAWK | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.425 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 3 |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-00-420-5840, 5306004205840 | ||||
| 5355-00-871-8773 (5355008718773) | 5340-01-243-1107 (5340012431107) | 5315-01-506-6976 (5315015066976) | 5360-01-371-2450 (5360013712450) | |
| 5305-01-613-5639 (5305016135639) | 5330-01-519-5567 (5330015195567) | 5310-01-577-1001 (5310015771001) | 5342-01-650-6980 (5342016506980) | |
| 5325-01-544-9407 (5325015449407) | 5330-01-276-9620 (5330012769620) | 5340-01-659-7595 (5340016597595) | 5340-01-362-7603 (5340013627603) | |
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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