The Bolt,machine, cataloged under National Stock Number 5306-01-560-4271, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-560-4271 |
| Primary Part Number | 600-1554095 PART NO 22 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL IN |
| Fastener Length | 4.938 INCHES NOMINAL IN |
| Thread Length | 0.562 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.875 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 14 |
| Material | STEEL 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 |
|---|---|
| 600-1554095 PART NO 22 | Naval Sea Systems Command (USA) |
| 600-1901500 PART NO 22 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| JE1861-22 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-560-4271 is a Bolt,machine, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-560-4271 has 2 manufacturer part numbers on file: 600-1554095 PART NO 22 (Naval Sea Systems Command), 600-1901500 PART NO 22 (Naval Sea Systems Command).
Key specifications for 600-1554095 PART NO 22: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 4.938 INCHES NOMINAL IN; Thread Length: 0.562 INCHES NOMINAL IN; Nominal Thread Diameter: 0.438 INCHES IN. 11 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.