| Item Name | Bolt Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-494-5773 (014945773) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| NAS6608-31 | national aerospace standards com | bolt close tolerance | 80205 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUR | Grip Diameter | 0.4945 INCHES MINIMUM AND 0.4950 INCHES MAXIMUM |
| AAJD | Thread Class | 3A |
| SFTT | Surface Treatment | CADMIUM OVERALL |
| ANEE | Grip Length | 1.923 INCHES MINIMUM AND 1.953 INCHES MAXIMUM |
| AATB | Width Between Flats | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
| AASK | Head Style | HEXAGON |
| MRC | Decoded Requirement | Clear Text Reply |
| AASA | Thread Length | 0.735 INCHES NOMINAL |
| THSD | Thread Series Designator | UNJF |
| AASB | Fastener Length | 2.658 INCHES MINIMUM AND 2.688 INCHES MAXIMUM |
| CMLP | Thread Quantity Per Inch | 20 |
| AAJF | Thread Direction | RIGHT-HAND |
| AASU | Head Height | 0.250 INCHES NOMINAL |
| MDCL | Material Document And Classification | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OVERALL AND AMS6415 ASSN STD 2ND MATERIAL RESPONSE OVERALL AND MIL-S-5000 MIL SPEC 3RD MATERIAL RESPONSE OVERALL AND MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL |
| AHYM | Nominal Thread Diameter | 0.500 INCHES |
| STDC | Surface Treatment Document And Classification | QQ-P-416, TYPE II, CLASS2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MATT | Material | STEEL COMP 4140 OVERALL AND STEEL COMP 4340 OVERALL AND STEEL COMP E4340 OVERALL AND STEEL COMP 8740 OVERALL |
| Relevant Components for NSN - 5306-01-494-5773, 5306014945773 | ||||
| 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) | |
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