The Bolt,machine, cataloged under National Stock Number 5306-01-559-9345, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-559-9345 |
| Primary Part Number | 516-5486648 ITEM F612D |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 516-5486648 ITEM F612D PRIMARY | Naval Sea Systems Command (USA) |
| 0.312-18UNC-2AX1.000 NICU | Naval Sea Systems Command (USA) |
NSN 5306-01-559-9345 is a Bolt,machine, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-559-9345 has 2 manufacturer part numbers on file: 516-5486648 ITEM F612D (Naval Sea Systems Command), 0.312-18UNC-2AX1.000 NICU (Naval Sea Systems Command).
Key specifications for 516-5486648 ITEM F612D: Fastener Length: 1.000 INCHES NOMINAL IN; Nominal Thread Diameter: 0.312 INCHES IN; Thread Direction: RIGHT-HAND; Thread Class: 2A A. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.