| Item Name | Bolt Key Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-354-3100 (003543100) |
| NCB Code | USA (00) |
| Manufacturer | Johnson C S Co Inc, Defense Logistics Agency |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 4.500 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 1.594 INCHES NOMINAL |
| AAST | KEY LENGTH | 0.452 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.514 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 1.000 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 8 |
| CQBC | MINIMUM TENSILE STRENGTH | 90000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 15.2 ROCKWELL C MINIMUM OVERALL AND 25.4 ROCKWELL C MAXIMUM OVERALL |
| CQHQ | MINIMUM YIELD STRENGTH | 75000 POUNDS PER SQUARE INCH |
| CRSQ | COUNTERSINK ANGLE | 60.0 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL COMP 1035 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 5306-00-354-3100, 5306003543100 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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