The Bolt,machine, cataloged under National Stock Number 5306-01-385-1560, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-385-1560 |
| Primary Part Number | 5486608 ITEM 22 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 1.327 INCHES MINIMUM AND 1.423 INCHES MAXIMUM IN |
| Fastener Length | 6.250 INCHES NOMINAL IN |
| Thread Length | 5.000 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-286 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 2.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 3.262 INCHES MINIMUM AND 3.375 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 4.5 |
| Material | NICKEL ALLOY K-500 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 |
|---|---|
| 5486608 ITEM 22 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2.25-4.5UNC-2AX6.250LG | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-385-1560 is a Bolt,machine, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-385-1560 has 1 manufacturer part number on file: 5486608 ITEM 22 (Naval Sea Systems Command).
Key specifications for 5486608 ITEM 22: Head Height: 1.327 INCHES MINIMUM AND 1.423 INCHES MAXIMUM IN; Fastener Length: 6.250 INCHES NOMINAL IN; Thread Length: 5.000 INCHES NOMINAL IN; Material Document and Classification: QQ-N-286 ASSN STD 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.