The Shackle, cataloged under National Stock Number 4030-01-458-7664, 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 United States Department of the Navy Dba Naval Surface Warfare Center Panama City. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4030-01-458-7664 |
| Primary Part Number | 603750-2 |
| Item Name | Shackle |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Manufacturer | United States Department of the Navy Dba Naval Surface Warfare Center Panama City |
| Status | ACTIVE |
| Inside Length | 1.156 INCHES NOMINAL IN |
| Material Diameter | 0.312 INCHES NOMINAL IN |
| Style Designator | CHAIN |
| Opening Width | 0.531 INCHES NOMINAL IN |
| Material | 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 |
|---|---|
| 603750-2 PRIMARY | United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA) |
| Reference | Meaning |
|---|---|
| PL37U4118 ITEM 19 | 5/1 Secondary reference United States Department of the Navy Dba Naval Surface Warfare Center Panama City |
NSN 4030-01-458-7664 is a Shackle, manufactured by United States Department of the Navy Dba Naval Surface Warfare Center Panama City, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
NSN 4030-01-458-7664 has 1 manufacturer part number on file: 603750-2 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City).
Key specifications for 603750-2: Inside Length: 1.156 INCHES NOMINAL IN; Material Diameter: 0.312 INCHES NOMINAL IN; Style Designator: CHAIN; Opening Width: 0.531 INCHES NOMINAL IN. 5 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.