The Shackle, cataloged under National Stock Number 4030-01-473-8220, is classified within Federal Supply Class 4030 (Fittings for Rope, Cable, and Chain) of the Rope, Cable, Chain, and Fittings group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-01-473-8220 |
| Item Name | Shackle |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-6866 MIL SPEC SINGLE TREATMENT RESPONSE |
| Material Diameter | 0.420 INCHES NOMINAL IN |
| Supplementary Features | SADDLE IS SQUARED |
| Style Designator | STIRRUP |
| Opening Width | 0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN |
| Eyelet Style | ROUND PLAIN |
| Surface Treatment | TITANIUM |
| Eye Inside Diameter | 0.655 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN |
| Material | TITANIUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 17P3A1662-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4030-01-473-8220 is a Shackle, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
Key specifications for 4030-01-473-8220: Surface Treatment Document and Classification: MIL-A-6866 MIL SPEC SINGLE TREATMENT RESPONSE; Material Diameter: 0.420 INCHES NOMINAL IN; Supplementary Features: SADDLE IS SQUARED; Style Designator: STIRRUP. 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.