The Bolt,u, cataloged under National Stock Number 5306-01-350-4530, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-350-4530 |
| Primary Part Number | 5750388-051 |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Inside Distance Between Shanks | 1.225 INCHES NOMINAL IN |
| Thread Length | 2.500 INCHES NOMINAL IN |
| Distance From Inside Center of Bend to Bolt End | 3.530 INCHES NOMINAL IN |
| Style Designator | ROUND BEND |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 316L OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 119-5750388-051 | Naval Sea Systems Command (USA) |
| 5750388-051 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5750388-051 | 5/9 Secondary reference Textron Systems Corp |
NSN 5306-01-350-4530 is a Bolt,u, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-350-4530 has 2 manufacturer part numbers on file: 119-5750388-051 (Naval Sea Systems Command), 5750388-051 (Naval Sea Systems Command).
Key specifications for 5750388-051: Inside Distance Between Shanks: 1.225 INCHES NOMINAL IN; Thread Length: 2.500 INCHES NOMINAL IN; Distance From Inside Center of Bend to Bolt End: 3.530 INCHES NOMINAL IN; Style Designator: ROUND BEND. 10 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.