The Swivel and Link Assembly, cataloged under National Stock Number 4030-01-617-4341, 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 Air Systems Command Managed Original Design Activity Not Material/parts Supplier. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-01-617-4341 |
| Primary Part Number | 3958AS379-1 |
| Item Name | Swivel and Link Assembly |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Inside Width | 1.750 INCHES NOMINAL IN |
| Material Diameter | 0.250 INCHES NOMINAL IN |
| Reach Length | 2.350 INCHES NOMINAL IN |
| Style Designator | DOUBLE |
| Effective Length | 2.350 INCHES NOMINAL IN |
| Attachment End Inside Length | 2.000 INCHES NOMINAL IN |
| Accommodated Material Diameter | 3.250 INCHES NOMINAL IN |
| Attachment End Material Diameter | 0.500 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY AND STEEL |
| 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 |
|---|---|
| 3958AS379-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 4030-01-617-4341 is a Swivel and Link Assembly, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
NSN 4030-01-617-4341 has 1 manufacturer part number on file: 3958AS379-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 3958AS379-1: Inside Width: 1.750 INCHES NOMINAL IN; Material Diameter: 0.250 INCHES NOMINAL IN; Reach Length: 2.350 INCHES NOMINAL IN; Style Designator: DOUBLE. 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.