The Link,insulator, cataloged under National Stock Number 4010-00-418-2118, is classified within Federal Supply Class 4010 (Chain and Wire Rope) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4010-00-418-2118 |
| Primary Part Number | 803-6397257 SIZE 40,000 LB |
| Item Name | Link,insulator |
| FSC / FSG | 4010 / 40 — Chain and Wire Rope |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Treatment | ZINC AND PAINT |
| Material | STEEL AND RUBBER SYNTHETIC |
| 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 |
|---|---|
| 803-6397257 SIZE 40,000 LB PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| MILL24410SHIPSTYPE1 | 5/9 Secondary reference U.S. Government activity |
NSN 4010-00-418-2118 is a Link,insulator, manufactured by Naval Sea Systems Command, classified under FSC 4010, Chain and Wire Rope. Status: active.
NSN 4010-00-418-2118 has 1 manufacturer part number on file: 803-6397257 SIZE 40,000 LB (Naval Sea Systems Command).
Key specifications for 803-6397257 SIZE 40,000 LB: Overall Length: 15.750 INCHES NOMINAL IN; Overall Width: 2.750 INCHES NOMINAL IN; Special Features: MATERIALS ARE STEEL AND RUBBER SILICONE, FINISH IS ZINC DIPPED AND FLEXIBLE EPOXY PAINT; TYPICALLY USED FOR ISOLATION OF CRANE HOOKS FROM RADIO FREQUENCY HIGH VOLTAGE INDUCED IN CRANE RIGGING BY COMMUNICATION ANTENNA FIELDS.; Surface Treatment: ZINC AND PAINT. 2 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.