| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-486-2231 (004862231) |
| NCB Code | USA (00) |
| Manufacturer | Textron Fastening Systems, United Technologies Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.318 INCHES MINIMUM AND 0.368 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.540 INCHES MINIMUM AND 0.560 INCHES MAXIMUM |
| AASK | HEAD STYLE | ROUND W/WRENCH FLATS |
| AASL | HEAD DIAMETER | 1.190 INCHES MINIMUM AND 1.230 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.610 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.3090 INCHES MINIMUM AND 0.3110 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| FEAT | SPECIAL FEATURES | 2 HOLES 0.096 IN. MIN,0.100 IN. MAX DIA,0.760 IN. MIN,0.800 IN. MAX APART THRU TOP OF HEAD |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5306-00-486-2231, 5306004862231 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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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