The Shackle, cataloged under National Stock Number 4030-00-481-0304, 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 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-00-481-0304 |
| Item Name | Shackle |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Status | ACTIVE |
| Inside Length | 0.813 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN |
| End Condition | PLAIN |
| Material Diameter | 0.250 INCHES MINIMUM IN |
| Style Designator | CHAIN |
| Opening Width | 0.438 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN |
| Locking Device Type | COTTER PIN |
| Specification/standard Data | 80205-NAS1044 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 4 TYPE AND 5 CLASS |
| Closure Head Style | FLAT |
| Surface Treatment | ZINC |
| Material | STEEL |
| Breaking Strength | 550.0 HARNESS GROUP 3 |
| 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 |
|---|---|
| RR-C-271 | 4/1 Identification reference U.S. Government activity |
| NAS1044-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4030-00-481-0304 is a Shackle, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
Key specifications for 4030-00-481-0304: Inside Length: 0.813 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN; End Condition: PLAIN; Material Diameter: 0.250 INCHES MINIMUM IN; Style Designator: CHAIN. 12 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.