| Item Name | Bolt Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-525-5490 (015255490) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| NAS6604D4X | national aerospace standards com | bolt close tolerance | 80205 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| CMLP | Thread Quantity Per Inch | 28 |
| AATB | Width Between Flats | 0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| AAJD | Thread Class | 3A |
| SFTT | Surface Treatment | CADMIUM OVERALL |
| AASB | Fastener Length | 0.660 INCHES MINIMUM AND 0.690 INCHES MAXIMUM |
| ANEE | Grip Length | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| AASA | Thread Length | 0.425 INCHES NOMINAL |
| AAWB | Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE |
| ZZZK | Specification/Standard Data | 80205-NAS6604 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| MRC | Decoded Requirement | Clear Text Reply |
| STDC | Surface Treatment Document And Classification | QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | Thread Series Designator | UNJF |
| AHYM | Nominal Thread Diameter | 0.250 INCHES |
| AASU | Head Height | 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| AAJF | Thread Direction | RIGHT-HAND |
| CRZS | Distance From Head Largest Bearing Surface To Shank Hole Center | 0.487 INCHES MINIMUM FIRST HOLE AND 0.507 INCHES MAXIMUM FIRST HOLE |
| MATT | Material | STEEL COMP 4140 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 8740 OVERALL |
| AASK | Head Style | DISHED HEXAGON |
| MDCL | Material Document And Classification | AMS6349 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS6382 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR AMS6322 ASSN STD 3RD MATERIAL RESPONSE OVERALL OR AMS-S-5000 ASSN STD 4TH MATERIAL RESPONSE OVERALL OR AMS6415 ASSN STD 5TH MATERIAL RESPONSE OVERALL |
| AAUR | Grip Diameter | 0.2641 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM |
| Relevant Components for NSN - 5306-01-525-5490, 5306015255490 | ||||
| 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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