The Bolt,machine, cataloged under National Stock Number 5306-01-468-4239, 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 14 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 | 5306-01-468-4239 |
| Primary Part Number | 160-7284039 ITEM 30 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 0.312 INCHES NOMINAL IN |
| External Thread Tolerance Class | 2A A |
| Fastener Length | 1.500 INCHES NOMINAL IN |
| Thread Pitch in Millimeters | 1.9 |
| Thread Length | 1.500 INCHES NOMINAL IN |
| Material Document and Classification | MIL-1222,TYPE1,GRADE316 MIL SPEC 1ST MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.750 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 160-7280439 REV B ITEM 30 | Naval Sea Systems Command (USA) |
| 160-7284039 ITEM 30 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5306-01-468-4239 is a Bolt,machine, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-468-4239 has 2 manufacturer part numbers on file: 160-7280439 REV B ITEM 30 (Naval Sea Systems Command), 160-7284039 ITEM 30 (Naval Sea Systems Command).
Key specifications for 160-7284039 ITEM 30: Head Height: 0.312 INCHES NOMINAL IN; External Thread Tolerance Class: 2A A; Fastener Length: 1.500 INCHES NOMINAL IN; Thread Pitch in Millimeters: 1.9. 14 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.