The Shackle, cataloged under National Stock Number 4030-00-290-4092, 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 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-00-290-4092 |
| Item Name | Shackle |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Status | ACTIVE |
| Inside Length | 7.188 INCHES NOMINAL IN |
| End Condition | THREADED |
| Material Diameter | 1.750 INCHES NOMINAL IN |
| Style Designator | CHAIN |
| Opening Width | 2.750 INCHES NOMINAL IN |
| Locking Device Type | COTTER PIN AND NUT |
| Closure Head Style | HEXAGON |
| 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 |
| Reference | Meaning |
|---|---|
| 121079-SHACKLE, RIVET PIN 2ND CL | 5/1 Secondary reference Anderson Forge and Machine, Inc. |
| 121079 SHACKLE ASSY RIVET PIN 2N | 5/9 Secondary reference Dhs, Uscg Shore Infrastructure Logistics Center Div Uscg Waterways Operations Product Line |
| S2500-921727ANDS2500-921728PC2- | 3/1 Design control — primary reference U.S. Government activity |
NSN 4030-00-290-4092 is a Shackle, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
Key specifications for 4030-00-290-4092: Inside Length: 7.188 INCHES NOMINAL IN; End Condition: THREADED; Material Diameter: 1.750 INCHES NOMINAL IN; Style Designator: CHAIN. 8 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.