| Item Name | Bolt Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-525-5051 (015255051) |
| NCB Code | USA (01) |
| Manufacturer | Sonic Industries Inc, Sps Technologies Inc, Mecair Aerospace Industries Inc, Boeing Company The, Space Lok Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| SII1263V6-21 | sonic industries inc | bolt close tolerance | 57928 | RFQ |
| 76924V6-21 | sps technologies inc | bolt close tolerance | 56878 | RFQ |
| MC4243V6-21 | mecair aerospace industries inc | bolt close tolerance | 0hl40 | RFQ |
| HS4243V6-21 | boeing company the | bolt close tolerance | 8v613 | RFQ |
| AIC6924V6-21 | sps technologies inc | bolt close tolerance | 06725 | RFQ |
| SLB351V6-21 | space lok inc | bolt close tolerance | 16258 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AASA | THREAD LENGTH | 0.707 INCHES NOMINAL |
| AASK | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| AATB | WIDTH BETWEEN FLATS | 0.644 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| MATT | MATERIAL | COBALT COMP MP-35-N OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 2.020 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.388 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | 1520-01-355-8250; HELEICOPTER, ATTACK |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| Relevant Components for NSN - 5306-01-525-5051, 5306015255051 | ||||
| 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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