The Bolt,machine, cataloged under National Stock Number 5306-01-459-4621, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-459-4621 |
| Primary Part Number | 595-6404642 FIND 15 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 0.455 INCHES MINIMUM AND 0.524 INCHES MAXIMUM IN |
| Fastener Length | 1.920 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN |
| Thread Length | 1.750 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-281,CL-A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 10 |
| Material | NICKEL ALLOY 400 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 |
|---|---|
| 595-6404642 FIND 15 PRIMARY | Naval Sea Systems Command (USA) |
| 211033822 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6404642 FIND 15 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5306-01-459-4621 is a Bolt,machine, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-459-4621 has 2 manufacturer part numbers on file: 595-6404642 FIND 15 (Naval Sea Systems Command), 211033822 (Naval Sea Systems Command).
Key specifications for 595-6404642 FIND 15: Head Height: 0.455 INCHES MINIMUM AND 0.524 INCHES MAXIMUM IN; Fastener Length: 1.920 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN; Thread Length: 1.750 INCHES NOMINAL IN; Material Document and Classification: QQ-N-281,CL-A FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 12 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.