The Swivel,link and Link, cataloged under National Stock Number 4030-00-778-8890, is classified within Federal Supply Class 4030 (Fittings for Rope, Cable, and Chain) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4030-00-778-8890 |
| Primary Part Number | 6375146-1 |
| Item Name | Swivel,link and Link |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Inside Width | 0.750 INCHES NOMINAL IN |
| Material Diameter | 0.250 INCHES NOMINAL IN |
| Reach Length | 3.188 INCHES NOMINAL IN |
| Style Designator | OVAL ENDS |
| Material Document and Classification | MIL-S-17758,ALLOY 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Effective Length | 0.688 INCHES NOMINAL IN |
| Surface Treatment | ZINC |
| Material | STEEL CORROSION RESISTING |
| Fabrication Method | FORGED |
| 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 |
|---|---|
| 6375146-1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| MIL-F-17280 | 4/1 Identification reference U.S. Government activity |
NSN 4030-00-778-8890 is a Swivel,link and Link, manufactured by Naval Sea Systems Command, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
NSN 4030-00-778-8890 has 1 manufacturer part number on file: 6375146-1 (Naval Sea Systems Command).
Key specifications for 6375146-1: Inside Width: 0.750 INCHES NOMINAL IN; Material Diameter: 0.250 INCHES NOMINAL IN; Reach Length: 3.188 INCHES NOMINAL IN; Style Designator: OVAL ENDS. 9 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.