The Sling,eye, cataloged under National Stock Number 3940-01-666-2359, is classified within Federal Supply Class 3940 (Blocks, Tackle, Rigging, and Slings) of the Materials Handling Equipment group. The manufacturer of record is Mazzella Lifting Technologies, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Sling,eye |
| FSC / FSG | 3940 — Blocks, Tackle, Rigging, and Slings (FSG 39) |
| Manufacturers | Mazzella Lifting Technologies, Inc. (CAGE 8D826) |
| Parameter | Value |
|---|---|
| NSN | 3940-01-666-2359 |
| Primary Part Number | 7539586 ASSY 5 |
| Item Name | Sling,eye |
| FSC / FSG | 3940 / 39 — Blocks, Tackle, Rigging, and Slings |
| Manufacturer | Mazzella Lifting Technologies, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 7539586 ASSY 5 PRIMARY | Mazzella Lifting Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 583 7539586 ASSEMBLY 5 | D/9 Drawing number reference only Mazzella Lifting Technologies, Inc. |
NSN 3940-01-666-2359 is a Sling,eye, manufactured by Mazzella Lifting Technologies, Inc., classified under FSC 3940, Blocks, Tackle, Rigging, and Slings. Status: active.
NSN 3940-01-666-2359 has 1 manufacturer part number on file: 7539586 ASSY 5 (Mazzella Lifting Technologies, Inc.).
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.